diff --git a/src/mux_h1.c b/src/mux_h1.c
index 32d1f79de..34a8d0385 100644
--- a/src/mux_h1.c
+++ b/src/mux_h1.c
@@ -1742,6 +1742,11 @@ static int h1_recv(struct h1c *h1c)
 	if (h1c->wait_event.events & SUB_RETRY_RECV)
 		return (b_data(&h1c->ibuf));
 
+	if (h1c->flags & H1C_F_CS_WAIT_CONN) {
+		conn->xprt->subscribe(conn, conn->xprt_ctx, SUB_RETRY_RECV, &h1c->wait_event);
+		return 0;
+	}
+
 	if (!h1_recv_allowed(h1c)) {
 		rcvd = 1;
 		goto end;