diff --git a/Source/GSKeyBindingAction.h b/Source/GSKeyBindingAction.h
index d5846b20b..535a9ebb8 100644
--- a/Source/GSKeyBindingAction.h
+++ b/Source/GSKeyBindingAction.h
@@ -89,4 +89,4 @@
 {}
 @end
 
-#endif _GS_KEYBINDING_ACTION_H
+#endif /* _GS_KEYBINDING_ACTION_H */