diff --git a/src/tool_operhlp.c b/src/tool_operhlp.c
index d3c1a88a9368229d4eb9a1301d5a8428f5276c68..c33ca507dae2134d71e4b12bc297ad7a8bb1781a 100644
--- a/src/tool_operhlp.c
+++ b/src/tool_operhlp.c
@@ -139,6 +139,8 @@ char *add_file_name_to_url(CURL *curl, char *url, const char *filename)
 
       url = urlbuffer; /* use our new URL instead! */
     }
+    else
+      Curl_safefree(url);
   }
   return url;
 }