diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index 145d5a0..24df334 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -521,8 +521,7 @@
 			break;
 		case SIGEV_THREAD:
 			set_cookie(info->notify_cookie, NOTIFY_WOKENUP);
-			netlink_sendskb(info->notify_sock,
-					info->notify_cookie, 0);
+			netlink_sendskb(info->notify_sock, info->notify_cookie);
 			break;
 		}
 		/* after notification unregisters process */
@@ -568,7 +567,7 @@
 	if (info->notify_owner != NULL &&
 	    info->notify.sigev_notify == SIGEV_THREAD) {
 		set_cookie(info->notify_cookie, NOTIFY_REMOVED);
-		netlink_sendskb(info->notify_sock, info->notify_cookie, 0);
+		netlink_sendskb(info->notify_sock, info->notify_cookie);
 	}
 	put_pid(info->notify_owner);
 	info->notify_owner = NULL;