diff --git a/modules/Migration/schema/640_to_650.php b/modules/Migration/schema/640_to_650.php
index a62a89bc6c4f9ed4a1120ad3376589adb0eef37e..99628c7cf43a8eb02a66115b9ba8f4d9dfe24b68 100644
--- a/modules/Migration/schema/640_to_650.php
+++ b/modules/Migration/schema/640_to_650.php
@@ -19,5 +19,8 @@ Vtiger_Utils::AddColumn('vtiger_portalinfo', 'cryptmode', 'varchar(20)');
 $updateQuery = "UPDATE vtiger_portalinfo SET user_password=MD5(user_password),cryptmode='MD5' WHERE cryptmode is null";
 $adb->pquery($updateQuery, array());
 
+//Change column type of inventory line-item comment.
+$adb->pquery("ALTER TABLE vtiger_inventoryproductrel MODIFY COLUMN comment TEXT", array());
+
 }