diff --git a/spa/include/spa/node/utils.h b/spa/include/spa/node/utils.h
index e4e851f6d..3ccdbf851 100644
--- a/spa/include/spa/node/utils.h
+++ b/spa/include/spa/node/utils.h
@@ -125,7 +125,7 @@ static inline int spa_node_port_enum_params_sync(struct spa_node *node,
 
 #define spa_node_call(callbacks,method,version,...)			\
 ({									\
-	int _res = 0;							\
+	int _res = -ENOTSUP;							\
 	spa_callbacks_call_res(callbacks, struct spa_node_callbacks,	\
 			_res, method, version, ##__VA_ARGS__);		\
 	_res;								\