diff --git a/typeclass_helpers.h b/typeclass_helpers.h
index 832fdbe..130ee43 100644
--- a/typeclass_helpers.h
+++ b/typeclass_helpers.h
@@ -10,6 +10,6 @@ extern __Typeclass __Type##_as_##__Typeclass(__Type*);
 #define new(T) (malloc(sizeof(T)))
 #define new_as(T, TC) (T##_as_##TC(new(T)))
 #define tc_is_null(SELF) (SELF.data == NULL && SELF.tc == NULL)
-#define tc_null(TC) (TC){.data=NULL, .tc=NULL}
+#define tc_null(TC) ((TC){.data=NULL, .tc=NULL})
 
 #endif // !CUTES_TYPECLASS_HELPERS_H