diff --git a/src/mux_h2.c b/src/mux_h2.c
index 0b28c38..20b9651 100644
--- a/src/mux_h2.c
+++ b/src/mux_h2.c
@@ -4600,6 +4600,8 @@
 		if (h2s->send_wait == sw) {
 			sw->events &= ~SUB_CALL_UNSUBSCRIBE;
 			h2s->send_wait = NULL;
+			LIST_DEL(&h2s->list);
+			LIST_INIT(&h2s->list);
 		}
 	}
 	return 0;