diff --git a/etemplate/inc/class.so_sql.inc.php b/etemplate/inc/class.so_sql.inc.php
index 7225ea26f9..471dce91ab 100644
--- a/etemplate/inc/class.so_sql.inc.php
+++ b/etemplate/inc/class.so_sql.inc.php
@@ -1094,7 +1094,7 @@ class so_sql
 		}
 		if($columns)
 		{
-			$columns = call_user_func_array(array($this->db,'concat'),$columns);
+			$columns = call_user_func_array(array($GLOBALS['egw']->db,'concat'),$columns);
 		}
 
 		// Break the search string into tokens