diff --git a/phpgwapi/inc/class.egw_db.inc.php b/phpgwapi/inc/class.egw_db.inc.php
index c849463893..e23cabf016 100644
--- a/phpgwapi/inc/class.egw_db.inc.php
+++ b/phpgwapi/inc/class.egw_db.inc.php
@@ -1490,7 +1490,7 @@ class egw_db
 		$keys = $values = array();
 		foreach($array as $key => $data)
 		{
-			if (is_int($key) || !$only || $only === True && isset($column_definitions[$key]) ||
+			if (is_int($key) && $use_key !== 'VALUES' || !$only || $only === True && isset($column_definitions[$key]) ||
 				is_array($only) && in_array($key,$only))
 			{
 				$keys[] = $this->name_quote($key);