diff --git a/phpgwapi/inc/class.html.inc.php b/phpgwapi/inc/class.html.inc.php
index a45b3e1d77..b86884bc3d 100644
--- a/phpgwapi/inc/class.html.inc.php
+++ b/phpgwapi/inc/class.html.inc.php
@@ -973,7 +973,7 @@ class html
 			$vars = $url;
 			$url = '/index.php';
 		}
-		elseif (!strstr($url,'/') && count(explode('.',$url)) >= 3 && !strstr($url,':'))
+		elseif (!strstr($url,'/') && count(explode('.',$url)) >= 3 && !(strstr($url,'mailto:') || strstr($url,'://')))
 		{
 			$url = "/index.php?menuaction=$url";
 		}