diff --git a/src/stream_interface.c b/src/stream_interface.c
index 6f9f27b98..cfd0b8e2e 100644
--- a/src/stream_interface.c
+++ b/src/stream_interface.c
@@ -1185,6 +1185,9 @@ static void si_cs_recv_cb(struct conn_stream *cs)
 		}
 
 		ret = conn->mux->rcv_buf(cs, ic->buf, max);
+		if (cs->flags & CS_FL_RCV_MORE)
+			si->flags |= SI_FL_WAIT_ROOM;
+
 		if (ret <= 0)
 			break;