diff --git a/json_object_iterator.h b/json_object_iterator.h
index f6e7ca6..44c9fb2 100644
--- a/json_object_iterator.h
+++ b/json_object_iterator.h
@@ -236,4 +236,4 @@ json_object_iter_equal(const struct json_object_iterator* iter1,
 #endif
 
 
-#endif // JSON_OBJECT_ITERATOR_H
+#endif /* JSON_OBJECT_ITERATOR_H */