diff --git a/lib/vquic/quiche.c b/lib/vquic/quiche.c
index 68786540e..4362ba98c 100644
--- a/lib/vquic/quiche.c
+++ b/lib/vquic/quiche.c
@@ -352,6 +352,10 @@ static ssize_t h3_stream_recv(struct connectdata *conn,
 
     quiche_h3_event_free(ev);
   }
+  if(flush_egress(conn, sockfd)) {
+    *curlcode = CURLE_SEND_ERROR;
+    return -1;
+  }
 
   *curlcode = (-1 == recvd)? CURLE_AGAIN : CURLE_OK;
   return recvd;