diff --git a/erpnext/manufacturing/doctype/production_plan/production_plan.py b/erpnext/manufacturing/doctype/production_plan/production_plan.py
index c285e34c7e6..1e27e8d59de 100644
--- a/erpnext/manufacturing/doctype/production_plan/production_plan.py
+++ b/erpnext/manufacturing/doctype/production_plan/production_plan.py
@@ -1776,7 +1776,7 @@ def get_sub_assembly_items(
 					frappe._dict(
 						{
 							"actual_qty": bin_details[d.item_code][0].get("actual_qty", 0)
-							if bin_details[d.item_code]
+							if bin_details.get(d.item_code)
 							else 0,
 							"parent_item_code": parent_item_code,
 							"description": d.description,