Fixed torture test for test 509

diff --git a/lib/url.c b/lib/url.c
index 8c32f035cac3a7181c3f29dd7ad41d97608251b2..901b1495cf3659bb1b359f09be109db4d558369b 100644 (file)
--- a/lib/url.c
+++ b/lib/url.c
@@ -1318,7 +1318,8 @@ CURLcode Curl_setopt(struct SessionHandle *data, CURLoption option,
     result = Curl_setstropt(&data->set.str[STRING_SET_URL],
                             va_arg(param, char *));
     data->change.url = data->set.str[STRING_SET_URL];
-    data->change.url_changed = TRUE;
+    if (data->change.url)
+      data->change.url_changed = TRUE;
     break;
   case CURLOPT_PORT:
     /*