diff --git a/src/listener.c b/src/listener.c
index 4299761e5..a023e5916 100644
--- a/src/listener.c
+++ b/src/listener.c
@@ -845,7 +845,7 @@ void listener_accept(int fd)
 		next_actconn = 0;
 
 #if defined(USE_THREAD)
-		mask = thread_mask(l->bind_conf->bind_thread);
+		mask = thread_mask(l->bind_conf->bind_thread) & all_threads_mask;
 		if (atleast2(mask) && (global.tune.options & GTUNE_LISTENER_MQ)) {
 			struct accept_queue_ring *ring;
 			unsigned int t, t0, t1, t2;