diff --git a/modules/Migration/schema/650_to_660.php b/modules/Migration/schema/650_to_660.php
index 5752695af1c6d17607d896dfdedaa82911feaa62..2edbe3f3ca0e971073cf975d9eea902e739c4007 100644
--- a/modules/Migration/schema/650_to_660.php
+++ b/modules/Migration/schema/650_to_660.php
@@ -43,18 +43,18 @@ if(defined('VTIGER_UPGRADE')) {
 	$adb->pquery('UPDATE vtiger_convertleadmapping SET editable=? WHERE leadfid=?', array(1, $phoneFieldId));
 
 	// Migration for #261 - vtiger_portalinfo doesn't update contact
-	$columns = $db->getColumnNames('com_vtiger_workflows');
+	$columns = $adb->getColumnNames('com_vtiger_workflows');
 	if (in_array('status', $columns)) {
-		$db->pquery('ALTER TABLE com_vtiger_workflows MODIFY COLUMN status TINYINT(1) DEFAULT 1', array());
-		$db->pquery('UPDATE com_vtiger_workflows SET status=? WHERE status IS NULL', array(1));
+		$adb->pquery('ALTER TABLE com_vtiger_workflows MODIFY COLUMN status TINYINT(1) DEFAULT 1', array());
+		$adb->pquery('UPDATE com_vtiger_workflows SET status=? WHERE status IS NULL', array(1));
 	} else {
-		$db->pquery('ALTER TABLE com_vtiger_workflows ADD COLUMN status TINYINT DEFAULT 1', array());
+		$adb->pquery('ALTER TABLE com_vtiger_workflows ADD COLUMN status TINYINT DEFAULT 1', array());
 	}
 
 	if (!in_array('workflowname', $columns)) {
-		$db->pquery('ALTER TABLE com_vtiger_workflows ADD COLUMN workflowname VARCHAR(100)', array());
+		$adb->pquery('ALTER TABLE com_vtiger_workflows ADD COLUMN workflowname VARCHAR(100)', array());
 	}
-	$db->pquery('UPDATE com_vtiger_workflows SET workflowname = summary', array());
+	$adb->pquery('UPDATE com_vtiger_workflows SET workflowname = summary', array());
 
 	$result = $adb->pquery('SELECT workflow_id FROM com_vtiger_workflows WHERE test LIKE ? AND module_name=? AND defaultworkflow=?', array('%portal%', 'Contacts', 1));
 	if ($adb->num_rows($result) == 1) {