diff --git a/src/etc/gedit/share/gtksourceview-3.0/language-specs/rust.lang b/src/etc/gedit/share/gtksourceview-3.0/language-specs/rust.lang
index befac48a7438e..b54de8802cf5c 100644
--- a/src/etc/gedit/share/gtksourceview-3.0/language-specs/rust.lang
+++ b/src/etc/gedit/share/gtksourceview-3.0/language-specs/rust.lang
@@ -266,7 +266,7 @@
 
     <define-regex id="common_escape" extended="true">
       '|"|
-      \\|n|r|t|
+      \\|n|r|t|0|
       x\%{hex_digit}{2}|
       u\%{hex_digit}{4}|
       U\%{hex_digit}{8}