diff --git a/modules/Migration/schema/811_to_812.php b/modules/Migration/schema/811_to_812.php
index 52e8bbfa3c698e606e1a7a8d49024c0c1a280338..a0c51c0ef14ae791d4222d057a03d9a7fdfdb2ca 100644
--- a/modules/Migration/schema/811_to_812.php
+++ b/modules/Migration/schema/811_to_812.php
@@ -11,21 +11,21 @@ if (defined('VTIGER_UPGRADE')) {
 
     // Ensure related-tab for ModComments on Inventory modules (if missed in previous migration)
     $modCommentsInstance = Vtiger_Module_Model::getInstance('ModComments');
-	$modCommentFieldInstance = Vtiger_Field_Model::getInstance('related_to', $modCommentsInstance);
-	foreach(getInventoryModules() as $refModuleName) {
-    	$refModuleModel = Vtiger_Module_Model::getInstance($refModuleName);
-    	$rs = $db->pquery("SELECT 1 FROM vtiger_relatedlists WHERE tabid=? and related_tabid=? and relationfieldid=? limit 1", array(
-       		$refModuleModel->id, $modCommentsInstance->id, $modCommentFieldInstance->id
-    	));
-    	if (!$db->num_rows($rs)) {
-        	$refModuleModel->setRelatedList($modCommentsInstance, "ModComments", '', 'get_comments', $modCommentFieldInstance->id);
-    	}
-	}
+    $modCommentFieldInstance = Vtiger_Field_Model::getInstance('related_to', $modCommentsInstance);
+    foreach(getInventoryModules() as $refModuleName) {
+        $refModuleModel = Vtiger_Module_Model::getInstance($refModuleName);
+        $rs = $db->pquery("SELECT 1 FROM vtiger_relatedlists WHERE tabid=? and related_tabid=? and relationfieldid=? limit 1", array(
+               $refModuleModel->id, $modCommentsInstance->id, $modCommentFieldInstance->id
+        ));
+        if (!$db->num_rows($rs)) {
+            $refModuleModel->setRelatedList($modCommentsInstance, "ModComments", '', 'get_comments', $modCommentFieldInstance->id);
+        }
+    }
 
-	// Resize column width to text (instead of varchar)
-	$db->pquery("ALTER TABLE vtiger_shorturls MODIFY COLUMN handler_data text");
+    // Resize column width to text (instead of varchar)
+    $db->pquery("ALTER TABLE vtiger_shorturls MODIFY COLUMN handler_data text");
 
-	// Disabling the mass edit for the inventory line item fields.
-	$db->pquery("UPDATE vtiger_field set masseditable = 0 where columnname in ('discount_percent','discount_amount') 
-	and tablename in ('vtiger_quotes','vtiger_purchaseorder','vtiger_salesorder','vtiger_invoice')", array());
+    // Disabling the mass edit for the inventory line item discount fields.
+    $db->pquery("UPDATE vtiger_field set masseditable = 0 where columnname in ('discount_percent','discount_amount') 
+    and tablename in ('vtiger_quotes','vtiger_purchaseorder','vtiger_salesorder','vtiger_invoice')", array());
 }