diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 4b6722f..a3abe6e 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1072,7 +1072,7 @@
 
 		err = br_ip6_multicast_add_group(br, port, &grec->grec_mca,
 						 vid);
-		if (!err)
+		if (err)
 			break;
 	}