diff --git a/lib/transfer.c b/lib/transfer.c
index d6fc934459de6e6c7e61b597964381c36d659e9c..73456ec3e71114e8b7fc58b5bb3acb1f1156c71b 100644
--- a/lib/transfer.c
+++ b/lib/transfer.c
@@ -2060,7 +2060,9 @@ CURLcode Curl_retry_request(struct connectdata *conn,
                                 error just because nothing has been
                                 transferred! */
 
-    if(data->state.proto.http->writebytecount)
+
+    if((conn->handler->protocol&CURLPROTO_HTTP) &&
+       data->state.proto.http->writebytecount)
       return Curl_readrewind(conn);
   }
   return CURLE_OK;