diff --git a/src/mux_h2.c b/src/mux_h2.c
index 20b965173..582509ff3 100644
--- a/src/mux_h2.c
+++ b/src/mux_h2.c
@@ -617,6 +617,8 @@ static void __maybe_unused h2s_notify_send(struct h2s *h2s)
 		sw->events &= ~SUB_RETRY_SEND;
 		tasklet_wakeup(sw->task);
 		h2s->send_wait = NULL;
+		LIST_DEL(&h2s->list);
+		LIST_INIT(&h2s->list);
 	}
 }