diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index aed2cfb1a4fe..87c25918c073 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -985,7 +985,11 @@ static int netlink_bind(struct socket *sock, struct sockaddr *addr,
 		if (err)
 			return err;
 	}
-	groups &= (1UL << nlk->ngroups) - 1;
+
+	if (nlk->ngroups == 0)
+		groups = 0;
+	else
+		groups &= (1ULL << nlk->ngroups) - 1;
 
 	bound = nlk->bound;
 	if (bound) {