diff --git a/erpnext/manufacturing/doctype/production_plan/production_plan.py b/erpnext/manufacturing/doctype/production_plan/production_plan.py
index 8876253e8e..92879ceada 100644
--- a/erpnext/manufacturing/doctype/production_plan/production_plan.py
+++ b/erpnext/manufacturing/doctype/production_plan/production_plan.py
@@ -732,6 +732,6 @@ def get_sub_assembly_items(bom_no, bom_data):
 				})
 
 			bom_item = bom_data.get(key)
-			bom_item["stock_qty"] += d.stock_qty
+			bom_item["stock_qty"] += d.stock_qty / d.parent_bom_qty
 
 			get_sub_assembly_items(bom_item.get("bom_no"), bom_data)