diff --git a/phpgwapi/inc/class.egw_link.inc.php b/phpgwapi/inc/class.egw_link.inc.php
index 19b79bb4b7..d05e84b5f4 100644
--- a/phpgwapi/inc/class.egw_link.inc.php
+++ b/phpgwapi/inc/class.egw_link.inc.php
@@ -592,7 +592,7 @@ class egw_link extends solink
 		if (!$id) return '';
 
 		$title =& self::get_cache($app,$id);
-		if (isset($title) && !is_array($id))
+		if (isset($title) && !empty($title) && !is_array($id))
 		{
 			if (self::DEBUG) echo '<p>'.__METHOD__."('$app','$id')='$title' (from cache)</p>\n";
 			return $title;