diff --git a/lib/ws.c b/lib/ws.c
index 6070cd6d0d..a73ab61b0b 100644
--- a/lib/ws.c
+++ b/lib/ws.c
@@ -1200,6 +1200,7 @@ CURLcode Curl_ws_accept(struct Curl_easy *data,
 
       /* start over with sending */
       data->req.eos_read = FALSE;
+      data->req.upload_done = FALSE;
       k->keepon |= KEEP_SEND;
     }