diff --git a/src/classic/avdtp.c b/src/classic/avdtp.c
index f974d5ce7..56dcdeb9a 100644
--- a/src/classic/avdtp.c
+++ b/src/classic/avdtp.c
@@ -516,7 +516,7 @@ uint8_t avdtp_validate_media_configuration(const avdtp_stream_endpoint_t *stream
     }
     if (callback == NULL) {
         // config valid
-        return 0;
+        return ERROR_CODE_SUCCESS;
     }
     return (*callback)(stream_endpoint, event, size);
 }