diff --git a/libc/src/fenv/fegetexceptflag.h b/libc/src/fenv/fegetexceptflag.h
index ad72161e536f8..fcb9598658d43 100644
--- a/libc/src/fenv/fegetexceptflag.h
+++ b/libc/src/fenv/fegetexceptflag.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_LIBC_SRC_FENV_FEGETEXCEPTFLAG_H
 #define LLVM_LIBC_SRC_FENV_FEGETEXCEPTFLAG_H
 
-#include <fenv.h>
+#include "hdr/types/fexcept_t.h"
 
 namespace LIBC_NAMESPACE {
 
diff --git a/libc/src/fenv/fesetexceptflag.h b/libc/src/fenv/fesetexceptflag.h
index 15e62eda1b840..a018358dc9dfc 100644
--- a/libc/src/fenv/fesetexceptflag.h
+++ b/libc/src/fenv/fesetexceptflag.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_LIBC_SRC_FENV_FESETEXCEPTFLAG_H
 #define LLVM_LIBC_SRC_FENV_FESETEXCEPTFLAG_H
 
-#include <fenv.h>
+#include "hdr/types/fexcept_t.h"
 
 namespace LIBC_NAMESPACE {
 
diff --git a/libc/src/fenv/feupdateenv.cpp b/libc/src/fenv/feupdateenv.cpp
index 7e81b9476da91..0664863538155 100644
--- a/libc/src/fenv/feupdateenv.cpp
+++ b/libc/src/fenv/feupdateenv.cpp
@@ -10,7 +10,7 @@
 #include "src/__support/FPUtil/FEnvImpl.h"
 #include "src/__support/common.h"
 
-#include <fenv.h>
+#include "hdr/types/fenv_t.h"
 
 namespace LIBC_NAMESPACE {