diff --git a/src/haproxy.c b/src/haproxy.c
index 145c19af9..e8c209e95 100644
--- a/src/haproxy.c
+++ b/src/haproxy.c
@@ -2818,7 +2818,7 @@ void run_poll_loop()
 
 			if (stopping) {
 				/* stop muxes before acknowledging stopping */
-				if (!(tg_ctx->stopping_threads & tid_bit)) {
+				if (!(tg_ctx->stopping_threads & ti->ltid_bit)) {
 					task_wakeup(mux_stopping_data[tid].task, TASK_WOKEN_OTHER);
 					wake = 1;
 				}