diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index 8cbd6e6..28a142f 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -1249,8 +1249,10 @@ SYSCALL_DEFINE2(mq_notify, mqd_t, mqdes,
 
 			timeo = MAX_SCHEDULE_TIMEOUT;
 			ret = netlink_attachskb(sock, nc, &timeo, NULL);
-			if (ret == 1)
+			if (ret == 1) {
+				sock = NULL;
 				goto retry;
+			}
 			if (ret) {
 				sock = NULL;
 				nc = NULL;