diff --git a/src/controllers/pharmacy/item_master.ts b/src/controllers/pharmacy/item_master.ts
index 9f73d2a..d1afe92 100644
--- a/src/controllers/pharmacy/item_master.ts
+++ b/src/controllers/pharmacy/item_master.ts
@@ -286,7 +286,8 @@ export class ItemMasterController {
                 item_class_detail_id: Joi.string().uuid().required().label('Item Class Detail ID'),
                 item_status_id: Joi.string().uuid().required().label('Item Status ID'),
                 factory_id: Joi.string().uuid().required().label('Factory ID'),
-                unit_id: Joi.string().uuid().required().label('Unit ID'),
+                smallunit: Joi.string().required().label('Small Unit'),
+                largeunit: Joi.string().required().label('Large Unit'),
                 pack_size: Joi.number().integer().min(0).required().label('Pack Size'),
                 minimum_quantity: Joi.number().integer().min(0).required().label('Minimum Quantity'),
                 minimum_sales_quantity: Joi.number().integer().min(0).required().label('Minimum Sales Quantity'),