X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=ref.php;h=81d8df238c263bfdf51c2752644e0482c6dc1477;hb=f11431f9a9e4eef095057af4e3f0c2a3971488da;hp=780de8e94b2b14e0bd9409fd5a75a333c9f4ceb2;hpb=815ca2471c4e145975873d2b754b91f78bd7b5d7;p=mailer.git

diff --git a/ref.php b/ref.php
index 780de8e94b..81d8df238c 100644
--- a/ref.php
+++ b/ref.php
@@ -17,7 +17,7 @@
  * -------------------------------------------------------------------- *
  * Copyright (c) 2003 - 2009 by Roland Haeder                           *
  * Copyright (c) 2009 - 2011 by Mailer Developer Team                   *
- * For more information visit: http://www.mxchange.org                  *
+ * For more information visit: http://mxchange.org                      *
  *                                                                      *
  * This program is free software; you can redistribute it and/or modify *
  * it under the terms of the GNU General Public License as published by *
@@ -52,10 +52,10 @@ setContentType('text/html');
 $url = 'modules.php?module=index';
 
 // Check for determined referal id
-if ((isReferalIdValid()) && (isValidUserId(determineReferalId()))) {
+if ((isExtensionActive('user')) && (isReferalIdValid()) && (isValidUserId(determineReferalId()))) {
 	// Update ref counter
 	SQL_QUERY_ESC("UPDATE `{?_MYSQL_PREFIX?}_user_data` SET `ref_clicks`=`ref_clicks`+1 WHERE `userid`=%s LIMIT 1",
-		array(makeDatabaseUserId(determineReferalId())), __FILE__, __LINE__);
+		array(makeZeroToNull(determineReferalId())), __FILE__, __LINE__);
 
 	// Base URL for redirection
 	switch (getConfig('refid_target')) {