diff --git a/includes/libstd/ctype.pat b/includes/libstd/ctype.pat
index 20659bb..c6f297d 100644
--- a/includes/libstd/ctype.pat
+++ b/includes/libstd/ctype.pat
@@ -44,7 +44,7 @@ namespace std::ctype {
         return std::ctype::isprint(c) && !std::ctype::isspace(c);
     };
 
-    fn isgraph(char c) {
+    fn ispunct(char c) {
         return std::ctype::isgraph(c) && !std::ctype::isalnum(c);
     };