diff --git a/erpnext/manufacturing/doctype/production_plan/production_plan.py b/erpnext/manufacturing/doctype/production_plan/production_plan.py
index b51420f..04359e3 100644
--- a/erpnext/manufacturing/doctype/production_plan/production_plan.py
+++ b/erpnext/manufacturing/doctype/production_plan/production_plan.py
@@ -195,6 +195,7 @@
 		for data in self.po_items:
 			if data.name == production_plan_item:
 				data.produced_qty = produced_qty
+				data.pending_qty = data.planned_qty - data.produced_qty
 				data.db_update()
 
 		self.calculate_total_produced_qty()