diff --git a/tests/headers/anon_enum.hpp b/tests/headers/anon_enum.hpp
index 23dc5ceb8f..bbd52240a7 100644
--- a/tests/headers/anon_enum.hpp
+++ b/tests/headers/anon_enum.hpp
@@ -1,4 +1,4 @@
-// bindgen-flags: --with-derive-hash --with-derive-partialeq --with-derive-eq --rustified-enum .*
+// bindgen-flags: --with-derive-hash --with-derive-partialeq --with-derive-eq --rustified-enum ".*"
 struct Test {
   int foo;
   float bar;
diff --git a/tests/headers/anon_enum_trait.hpp b/tests/headers/anon_enum_trait.hpp
index 6383c74892..cc0cd3898c 100644
--- a/tests/headers/anon_enum_trait.hpp
+++ b/tests/headers/anon_enum_trait.hpp
@@ -1,4 +1,4 @@
-// bindgen-flags: --with-derive-hash --with-derive-partialeq --with-derive-eq --rustified-enum .*
+// bindgen-flags: --with-derive-hash --with-derive-partialeq --with-derive-eq --rustified-enum ".*"
 
 template<typename _Tp>
 class DataType {
diff --git a/tests/headers/anon_enum_whitelist.h b/tests/headers/anon_enum_whitelist.h
index fc4810e044..a35e4886c3 100644
--- a/tests/headers/anon_enum_whitelist.h
+++ b/tests/headers/anon_enum_whitelist.h
@@ -1,4 +1,4 @@
-// bindgen-flags: --whitelist-var NODE_.* --rustified-enum .*
+// bindgen-flags: --whitelist-var "NODE_.*" --rustified-enum ".*"
 
 enum {
   NODE_FLAG_FOO,
diff --git a/tests/headers/anon_union.hpp b/tests/headers/anon_union.hpp
index 19c478d18c..e4be25bcab 100644
--- a/tests/headers/anon_union.hpp
+++ b/tests/headers/anon_union.hpp
@@ -1,4 +1,4 @@
-// bindgen-flags: --with-derive-hash --with-derive-partialeq --with-derive-eq --rustified-enum .*
+// bindgen-flags: --with-derive-hash --with-derive-partialeq --with-derive-eq --rustified-enum ".*"
 template<typename T>
 struct TErrorResult {
   enum UnionState {
diff --git a/tests/headers/anon_union_1_0.hpp b/tests/headers/anon_union_1_0.hpp
index 314215bfe5..3d9ae3dde9 100644
--- a/tests/headers/anon_union_1_0.hpp
+++ b/tests/headers/anon_union_1_0.hpp
@@ -1,4 +1,4 @@
-// bindgen-flags: --rust-target 1.0 --with-derive-hash --with-derive-partialeq --with-derive-eq --rustified-enum .*
+// bindgen-flags: --rust-target 1.0 --with-derive-hash --with-derive-partialeq --with-derive-eq --rustified-enum ".*"
 
 template<typename T>
 struct TErrorResult {
diff --git a/tests/headers/bitfield-enum-basic.hpp b/tests/headers/bitfield-enum-basic.hpp
index c03f0e708a..339fb4d554 100644
--- a/tests/headers/bitfield-enum-basic.hpp
+++ b/tests/headers/bitfield-enum-basic.hpp
@@ -1,4 +1,4 @@
-// bindgen-flags: --bitfield-enum "Foo|Buz|NS_.*|DUMMY_.*" --rustified-enum .* -- -std=c++11
+// bindgen-flags: --bitfield-enum "Foo|Buz|NS_.*|DUMMY_.*" --rustified-enum ".*" -- -std=c++11
 
 enum Foo {
   Bar = 1 << 1,
diff --git a/tests/headers/bitfield_align_2.h b/tests/headers/bitfield_align_2.h
index 31d37f76a7..b6a6cd284c 100644
--- a/tests/headers/bitfield_align_2.h
+++ b/tests/headers/bitfield_align_2.h
@@ -1,4 +1,4 @@
-// bindgen-flags: --rustified-enum .*
+// bindgen-flags: --rustified-enum ".*"
 enum MyEnum {
     ONE,
     TWO,
diff --git a/tests/headers/class_with_inner_struct.hpp b/tests/headers/class_with_inner_struct.hpp
index 66c2bd3f88..fd195fb789 100644
--- a/tests/headers/class_with_inner_struct.hpp
+++ b/tests/headers/class_with_inner_struct.hpp
@@ -1,4 +1,4 @@
-// bindgen-flags: --with-derive-hash --with-derive-partialeq --with-derive-eq --rustified-enum .*
+// bindgen-flags: --with-derive-hash --with-derive-partialeq --with-derive-eq --rustified-enum ".*"
 // bindgen-flags: -- -std=c++11
 
 class A {
diff --git a/tests/headers/class_with_inner_struct_1_0.hpp b/tests/headers/class_with_inner_struct_1_0.hpp
index 1bae249f8a..34ed96e722 100644
--- a/tests/headers/class_with_inner_struct_1_0.hpp
+++ b/tests/headers/class_with_inner_struct_1_0.hpp
@@ -1,4 +1,4 @@
-// bindgen-flags: --rust-target 1.0  --with-derive-hash --with-derive-partialeq --with-derive-eq --rustified-enum .*
+// bindgen-flags: --rust-target 1.0  --with-derive-hash --with-derive-partialeq --with-derive-eq --rustified-enum ".*"
 // bindgen-flags: -- -std=c++11
 
 class A {
diff --git a/tests/headers/const_enum_unnamed.hpp b/tests/headers/const_enum_unnamed.hpp
index bdd9700f87..cee87e6464 100644
--- a/tests/headers/const_enum_unnamed.hpp
+++ b/tests/headers/const_enum_unnamed.hpp
@@ -1,4 +1,4 @@
-// bindgen-flags: --rustified-enum .*
+// bindgen-flags: --rustified-enum ".*"
 
 enum {
   FOO_BAR,
diff --git a/tests/headers/constant-evaluate.h b/tests/headers/constant-evaluate.h
index ee9cfaa538..e8d0a5bada 100644
--- a/tests/headers/constant-evaluate.h
+++ b/tests/headers/constant-evaluate.h
@@ -1,5 +1,5 @@
 // bindgen-unstable
-// bindgen-flags: --rustified-enum .*
+// bindgen-flags: --rustified-enum ".*"
 
 enum {
   foo = 4,
diff --git a/tests/headers/constify-enum.h b/tests/headers/constify-enum.h
index 9a9058d38b..b8e0be3ee7 100644
--- a/tests/headers/constify-enum.h
+++ b/tests/headers/constify-enum.h
@@ -1,4 +1,4 @@
-// bindgen-flags: --rustified-enum .*
+// bindgen-flags: --rustified-enum ".*"
 
 enum nsCSSPropertyID {
   eCSSProperty_a,
diff --git a/tests/headers/constify-module-enums-types.hpp b/tests/headers/constify-module-enums-types.hpp
index 2c652499bb..decf935a00 100644
--- a/tests/headers/constify-module-enums-types.hpp
+++ b/tests/headers/constify-module-enums-types.hpp
@@ -1,4 +1,4 @@
-// bindgen-flags: --constified-enum-module .*
+// bindgen-flags: --constified-enum-module ".*"
 
 typedef enum foo {
   THIS,
@@ -75,4 +75,4 @@ class Thing {
 };
 
 foo func3(Thing<foo> arg1);
-foo func4(Thing< Thing<foo> > arg1);
\ No newline at end of file
+foo func4(Thing< Thing<foo> > arg1);
diff --git a/tests/headers/enum.h b/tests/headers/enum.h
index 38ce4eee44..f04c213e4f 100644
--- a/tests/headers/enum.h
+++ b/tests/headers/enum.h
@@ -1,4 +1,4 @@
-// bindgen-flags: --rustified-enum .*
+// bindgen-flags: --rustified-enum ".*"
 
 enum Foo {
     Bar = 0,
diff --git a/tests/headers/enum_alias.hpp b/tests/headers/enum_alias.hpp
index c3ecc35159..8ddb25c36c 100644
--- a/tests/headers/enum_alias.hpp
+++ b/tests/headers/enum_alias.hpp
@@ -1,4 +1,4 @@
-// bindgen-flags: --rustified-enum .* -- -std=c++11
+// bindgen-flags: --rustified-enum ".*" -- -std=c++11
 
 typedef unsigned char uint8_t;
 
diff --git a/tests/headers/enum_and_vtable_mangling.hpp b/tests/headers/enum_and_vtable_mangling.hpp
index e332fc57e6..659a8bd1d6 100644
--- a/tests/headers/enum_and_vtable_mangling.hpp
+++ b/tests/headers/enum_and_vtable_mangling.hpp
@@ -1,4 +1,4 @@
-// bindgen-flags: --rustified-enum .*
+// bindgen-flags: --rustified-enum ".*"
 
 enum {
     match,
diff --git a/tests/headers/enum_dupe.h b/tests/headers/enum_dupe.h
index 826568fb0d..b8d9689aa8 100644
--- a/tests/headers/enum_dupe.h
+++ b/tests/headers/enum_dupe.h
@@ -1,4 +1,4 @@
-// bindgen-flags: --rustified-enum .*
+// bindgen-flags: --rustified-enum ".*"
 
 enum Foo {
     Bar = 1,
diff --git a/tests/headers/enum_explicit_type.hpp b/tests/headers/enum_explicit_type.hpp
index 3cb931386f..d97134716d 100644
--- a/tests/headers/enum_explicit_type.hpp
+++ b/tests/headers/enum_explicit_type.hpp
@@ -1,4 +1,4 @@
-// bindgen-flags: --rustified-enum .* -- -std=c++11
+// bindgen-flags: --rustified-enum ".*" -- -std=c++11
 
 enum Foo: unsigned char {
     Bar = 0,
diff --git a/tests/headers/enum_in_template_with_typedef.hpp b/tests/headers/enum_in_template_with_typedef.hpp
index 244d916c2e..87290ecec6 100644
--- a/tests/headers/enum_in_template_with_typedef.hpp
+++ b/tests/headers/enum_in_template_with_typedef.hpp
@@ -1,4 +1,4 @@
-// bindgen-flags: --rustified-enum .* -- -std=c++11
+// bindgen-flags: --rustified-enum ".*" -- -std=c++11
 
 namespace std {
   template <typename Char> class fbstring_core;
diff --git a/tests/headers/enum_negative.h b/tests/headers/enum_negative.h
index 267f799f02..0fa0df9712 100644
--- a/tests/headers/enum_negative.h
+++ b/tests/headers/enum_negative.h
@@ -1,4 +1,4 @@
-// bindgen-flags: --rustified-enum .*
+// bindgen-flags: --rustified-enum ".*"
 
 enum Foo {
     Bar = -2,
diff --git a/tests/headers/enum_packed.h b/tests/headers/enum_packed.h
index 1c89b992ec..cc70c816d8 100644
--- a/tests/headers/enum_packed.h
+++ b/tests/headers/enum_packed.h
@@ -1,4 +1,4 @@
-// bindgen-flags: --rustified-enum .*
+// bindgen-flags: --rustified-enum ".*"
 
 enum __attribute__((packed)) Foo {
     Bar = 0,
diff --git a/tests/headers/forward-enum-decl.hpp b/tests/headers/forward-enum-decl.hpp
index a3df858428..81a0eee731 100644
--- a/tests/headers/forward-enum-decl.hpp
+++ b/tests/headers/forward-enum-decl.hpp
@@ -1,4 +1,4 @@
-// bindgen-flags: --rustified-enum .* -- -std=c++11
+// bindgen-flags: --rustified-enum ".*" -- -std=c++11
 
 enum class CSSPseudoClassType : int;
 
diff --git a/tests/headers/func_ptr_in_struct.h b/tests/headers/func_ptr_in_struct.h
index dd608549ae..ef075df76c 100644
--- a/tests/headers/func_ptr_in_struct.h
+++ b/tests/headers/func_ptr_in_struct.h
@@ -1,4 +1,4 @@
-// bindgen-flags: --with-derive-hash --with-derive-partialeq --with-derive-eq --rustified-enum .*
+// bindgen-flags: --with-derive-hash --with-derive-partialeq --with-derive-eq --rustified-enum ".*"
 //
 enum baz;
 
diff --git a/tests/headers/issue-372.hpp b/tests/headers/issue-372.hpp
index de1447769a..7127be2ccb 100644
--- a/tests/headers/issue-372.hpp
+++ b/tests/headers/issue-372.hpp
@@ -1,4 +1,4 @@
-// bindgen-flags: --enable-cxx-namespaces --rustified-enum .*
+// bindgen-flags: --enable-cxx-namespaces --rustified-enum ".*"
 template <typename a, int b> class c { a e[b]; };
 class d;
 template <typename g, g f> class C { c<d, f> h; };
diff --git a/tests/headers/issue-410.hpp b/tests/headers/issue-410.hpp
index c91c83d119..b5d502f33e 100644
--- a/tests/headers/issue-410.hpp
+++ b/tests/headers/issue-410.hpp
@@ -1,4 +1,4 @@
-// bindgen-flags: --enable-cxx-namespaces --whitelist-type JS::Value --rustified-enum .*
+// bindgen-flags: --enable-cxx-namespaces --whitelist-type JS::Value --rustified-enum ".*"
 
 namespace JS {
 class Value;
diff --git a/tests/headers/issue-493.hpp b/tests/headers/issue-493.hpp
index 280b873631..8b122ceb50 100644
--- a/tests/headers/issue-493.hpp
+++ b/tests/headers/issue-493.hpp
@@ -1,4 +1,4 @@
-// bindgen-flags: --with-derive-hash --with-derive-partialeq --with-derive-eq --rustified-enum .*
+// bindgen-flags: --with-derive-hash --with-derive-partialeq --with-derive-eq --rustified-enum ".*"
 template<class _CharT, class _Traits, class _Allocator>
 class basic_string
 {
diff --git a/tests/headers/issue-493_1_0.hpp b/tests/headers/issue-493_1_0.hpp
index 7406d8936c..af6fd47c41 100644
--- a/tests/headers/issue-493_1_0.hpp
+++ b/tests/headers/issue-493_1_0.hpp
@@ -1,4 +1,4 @@
-// bindgen-flags: --rust-target 1.0 --with-derive-hash --with-derive-partialeq --with-derive-eq --rustified-enum .*
+// bindgen-flags: --rust-target 1.0 --with-derive-hash --with-derive-partialeq --with-derive-eq --rustified-enum ".*"
 
 template<class _CharT, class _Traits, class _Allocator>
 class basic_string
diff --git a/tests/headers/issue-569-non-type-template-params-causing-layout-test-failures.hpp b/tests/headers/issue-569-non-type-template-params-causing-layout-test-failures.hpp
index 964b69cb05..297d111291 100644
--- a/tests/headers/issue-569-non-type-template-params-causing-layout-test-failures.hpp
+++ b/tests/headers/issue-569-non-type-template-params-causing-layout-test-failures.hpp
@@ -1,4 +1,4 @@
-// bindgen-flags: --rustified-enum .* -- -std=c++14
+// bindgen-flags: --rustified-enum ".*" -- -std=c++14
 
 // Generated by C-Reduce, cleaned up and given names for readability.
 
diff --git a/tests/headers/issue-888-enum-var-decl-jump.hpp b/tests/headers/issue-888-enum-var-decl-jump.hpp
index d7182c3c57..fa4ba56ba4 100644
--- a/tests/headers/issue-888-enum-var-decl-jump.hpp
+++ b/tests/headers/issue-888-enum-var-decl-jump.hpp
@@ -1,4 +1,4 @@
-// bindgen-flags: --enable-cxx-namespaces --rustified-enum .*
+// bindgen-flags: --enable-cxx-namespaces --rustified-enum ".*"
 
 namespace Halide {
 struct Type;
diff --git a/tests/headers/jsval_layout_opaque.hpp b/tests/headers/jsval_layout_opaque.hpp
index 7a1957cffd..ef13b85b25 100644
--- a/tests/headers/jsval_layout_opaque.hpp
+++ b/tests/headers/jsval_layout_opaque.hpp
@@ -1,4 +1,4 @@
-// bindgen-flags: --with-derive-hash --with-derive-partialeq --with-derive-eq --rustified-enum .*
+// bindgen-flags: --with-derive-hash --with-derive-partialeq --with-derive-eq --rustified-enum ".*"
 // bindgen-flags: -- -std=c++11
 
 /**
diff --git a/tests/headers/jsval_layout_opaque_1_0.hpp b/tests/headers/jsval_layout_opaque_1_0.hpp
index dcf6274dfb..c8e665516b 100644
--- a/tests/headers/jsval_layout_opaque_1_0.hpp
+++ b/tests/headers/jsval_layout_opaque_1_0.hpp
@@ -1,4 +1,4 @@
-// bindgen-flags: --rust-target 1.0 --with-derive-hash --with-derive-partialeq --with-derive-eq --rustified-enum .*
+// bindgen-flags: --rust-target 1.0 --with-derive-hash --with-derive-partialeq --with-derive-eq --rustified-enum ".*"
 // bindgen-flags: -- -std=c++11
 
 /**
diff --git a/tests/headers/layout_array_too_long.h b/tests/headers/layout_array_too_long.h
index 1d8b1b63e7..d0d34ba038 100644
--- a/tests/headers/layout_array_too_long.h
+++ b/tests/headers/layout_array_too_long.h
@@ -1,4 +1,4 @@
-// bindgen-flags: --with-derive-hash --with-derive-partialeq --with-derive-eq --impl-partialeq --rustified-enum .*
+// bindgen-flags: --with-derive-hash --with-derive-partialeq --with-derive-eq --impl-partialeq --rustified-enum ".*"
 typedef unsigned char uint8_t;
 typedef unsigned short uint16_t;
 typedef unsigned int uint32_t;
diff --git a/tests/headers/layout_cmdline_token.h b/tests/headers/layout_cmdline_token.h
index 68dd53b837..da1bfc2e7a 100644
--- a/tests/headers/layout_cmdline_token.h
+++ b/tests/headers/layout_cmdline_token.h
@@ -1,4 +1,4 @@
-// bindgen-flags: --rustified-enum .*
+// bindgen-flags: --rustified-enum ".*"
 
 /**
  * Stores a pointer to the ops struct, and the offset: the place to
@@ -61,4 +61,4 @@ struct cmdline_token_num {
 	struct cmdline_token_hdr hdr;
 	struct cmdline_token_num_data num_data;
 };
-typedef struct cmdline_token_num cmdline_parse_token_num_t;
\ No newline at end of file
+typedef struct cmdline_token_num cmdline_parse_token_num_t;
diff --git a/tests/headers/layout_eth_conf.h b/tests/headers/layout_eth_conf.h
index 71a430bfae..93ab8408ec 100644
--- a/tests/headers/layout_eth_conf.h
+++ b/tests/headers/layout_eth_conf.h
@@ -1,4 +1,4 @@
-// bindgen-flags: --with-derive-hash --with-derive-partialeq --with-derive-eq --rustified-enum .*
+// bindgen-flags: --with-derive-hash --with-derive-partialeq --with-derive-eq --rustified-enum ".*"
 typedef unsigned char uint8_t;
 typedef unsigned short uint16_t;
 typedef unsigned int uint32_t;
diff --git a/tests/headers/layout_eth_conf_1_0.h b/tests/headers/layout_eth_conf_1_0.h
index cf6fa6ad2e..48ba39ff87 100644
--- a/tests/headers/layout_eth_conf_1_0.h
+++ b/tests/headers/layout_eth_conf_1_0.h
@@ -1,4 +1,4 @@
-// bindgen-flags: --rust-target 1.0 --with-derive-hash --with-derive-partialeq --with-derive-eq --rustified-enum .*
+// bindgen-flags: --rust-target 1.0 --with-derive-hash --with-derive-partialeq --with-derive-eq --rustified-enum ".*"
 
 typedef unsigned char uint8_t;
 typedef unsigned short uint16_t;
diff --git a/tests/headers/layout_large_align_field.h b/tests/headers/layout_large_align_field.h
index 5e87c2a1c4..f292bb70dc 100644
--- a/tests/headers/layout_large_align_field.h
+++ b/tests/headers/layout_large_align_field.h
@@ -1,4 +1,4 @@
-// bindgen-flags: --rustified-enum .*
+// bindgen-flags: --rustified-enum ".*"
 
 typedef unsigned char uint8_t;
 typedef unsigned short uint16_t;
diff --git a/tests/headers/no-recursive-whitelisting.h b/tests/headers/no-recursive-whitelisting.h
index 8eb8afea14..c94cc491eb 100644
--- a/tests/headers/no-recursive-whitelisting.h
+++ b/tests/headers/no-recursive-whitelisting.h
@@ -1,4 +1,4 @@
-// bindgen-flags: --no-recursive-whitelist --whitelist-type "Foo" --raw-line "pub enum Bar {}" --rustified-enum .*
+// bindgen-flags: --no-recursive-whitelist --whitelist-type "Foo" --raw-line "pub enum Bar {}" --rustified-enum ".*"
 
 struct Bar;
 
diff --git a/tests/headers/no-std.h b/tests/headers/no-std.h
index 9248cc3dd5..d98abceddf 100644
--- a/tests/headers/no-std.h
+++ b/tests/headers/no-std.h
@@ -1,4 +1,4 @@
-// bindgen-flags: --ctypes-prefix "libc" --use-core --raw-line "#![no_std]" --raw-line "mod libc { pub type c_int = i32; pub enum c_void {} }" --rustified-enum .*
+// bindgen-flags: --ctypes-prefix "libc" --use-core --raw-line "#![no_std]" --raw-line "mod libc { pub type c_int = i32; pub enum c_void {} }" --rustified-enum ".*"
 struct foo {
   int a, b;
   void* bar;
diff --git a/tests/headers/nsStyleAutoArray.hpp b/tests/headers/nsStyleAutoArray.hpp
index 2a0bc21623..3049ea210c 100644
--- a/tests/headers/nsStyleAutoArray.hpp
+++ b/tests/headers/nsStyleAutoArray.hpp
@@ -1,4 +1,4 @@
-// bindgen-flags: --rustified-enum .*
+// bindgen-flags: --rustified-enum ".*"
 
 template<typename T>
 class nsTArray {
diff --git a/tests/headers/opaque-tracing.hpp b/tests/headers/opaque-tracing.hpp
index 326ebbe770..9f7319cccd 100644
--- a/tests/headers/opaque-tracing.hpp
+++ b/tests/headers/opaque-tracing.hpp
@@ -1,4 +1,4 @@
-// bindgen-flags: --opaque-type=.* --whitelist-function=foo  --with-derive-hash --with-derive-partialeq --with-derive-eq
+// bindgen-flags: --opaque-type ".*" --whitelist-function=foo  --with-derive-hash --with-derive-partialeq --with-derive-eq
 
 class Container;
 
diff --git a/tests/headers/overflowed_enum.hpp b/tests/headers/overflowed_enum.hpp
index 53a05ddf82..18d3fe4173 100644
--- a/tests/headers/overflowed_enum.hpp
+++ b/tests/headers/overflowed_enum.hpp
@@ -1,4 +1,4 @@
-// bindgen-flags: --rustified-enum .* -- -std=c++11 -Wno-narrowing
+// bindgen-flags: --rustified-enum ".*" -- -std=c++11 -Wno-narrowing
 
 enum Foo {
     BAP_ARM = 0x93fcb9,
diff --git a/tests/headers/prepend-enum-constified-variant.h b/tests/headers/prepend-enum-constified-variant.h
index 06ae264f07..e9ba0e732b 100644
--- a/tests/headers/prepend-enum-constified-variant.h
+++ b/tests/headers/prepend-enum-constified-variant.h
@@ -1,4 +1,4 @@
-// bindgen-flags: --no-prepend-enum-name --rustified-enum .*
+// bindgen-flags: --no-prepend-enum-name --rustified-enum ".*"
 
 enum AVCodecID {
   AV_CODEC_ID_FIRST_UNKNOWN = 0x18000,
diff --git a/tests/headers/short-enums.hpp b/tests/headers/short-enums.hpp
index 0b517d6f7b..14f833de64 100644
--- a/tests/headers/short-enums.hpp
+++ b/tests/headers/short-enums.hpp
@@ -1,4 +1,4 @@
-// bindgen-flags: --rustified-enum .* -- -std=c++11 -fshort-enums
+// bindgen-flags: --rustified-enum ".*" -- -std=c++11 -fshort-enums
 
 typedef enum {
     SOME_VALUE = 0x1,
diff --git a/tests/headers/struct_typedef.h b/tests/headers/struct_typedef.h
index e996b28f0f..2ed7aabd94 100644
--- a/tests/headers/struct_typedef.h
+++ b/tests/headers/struct_typedef.h
@@ -1,4 +1,4 @@
-// bindgen-flags: --with-derive-hash --with-derive-partialeq --with-derive-eq --rustified-enum .*
+// bindgen-flags: --with-derive-hash --with-derive-partialeq --with-derive-eq --rustified-enum ".*"
 //
 typedef struct {
     _Bool has_name;
diff --git a/tests/headers/struct_typedef_ns.hpp b/tests/headers/struct_typedef_ns.hpp
index a5a8f9a64e..40a7c680a2 100644
--- a/tests/headers/struct_typedef_ns.hpp
+++ b/tests/headers/struct_typedef_ns.hpp
@@ -1,4 +1,4 @@
-// bindgen-flags: --with-derive-hash --with-derive-partialeq --with-derive-eq --enable-cxx-namespaces --rustified-enum .*
+// bindgen-flags: --with-derive-hash --with-derive-partialeq --with-derive-eq --enable-cxx-namespaces --rustified-enum ".*"
 
 namespace whatever {
     typedef struct {
diff --git a/tests/headers/weird_bitfields.hpp b/tests/headers/weird_bitfields.hpp
index 7236d60a53..b2761a804a 100644
--- a/tests/headers/weird_bitfields.hpp
+++ b/tests/headers/weird_bitfields.hpp
@@ -1,4 +1,4 @@
-// bindgen-flags: --rustified-enum .*
+// bindgen-flags: --rustified-enum ".*"
 
 // You can guess where this is taken from...
 enum nsStyleSVGOpacitySource {