diff --git a/.zsh/40_function.zsh b/.zsh/40_function.zsh
index 0683396..c15e91d 100755
--- a/.zsh/40_function.zsh
+++ b/.zsh/40_function.zsh
@@ -95,7 +95,7 @@ mgrep () {
 }
 
 cgrep () {
-    find . -name .repo -prune -o -name .git -prune -o -type f \( -name '*.c' -o -name '*.cc' -o -name '*.cpp' -o -name '*.h' \) -print0 | xargs -0 grep --color -n "$@"
+    find . -name .repo -prune -o -name .git -prune -o -type f \( -name '*.c' -o -name '*.cc' -o -name '*.cpp' -o -name '*.h' -o -name '*.hpp' \) -print0 | xargs -0 grep --color -n "$@"
 }
 
 jgrep () {