diff --git a/erpnext/manufacturing/doctype/work_order/work_order.py b/erpnext/manufacturing/doctype/work_order/work_order.py
index 9873efa124b..947d6931e21 100644
--- a/erpnext/manufacturing/doctype/work_order/work_order.py
+++ b/erpnext/manufacturing/doctype/work_order/work_order.py
@@ -282,6 +282,10 @@ class WorkOrder(Document):
 			total_bundle_qty = frappe.db.sql(""" select sum(qty) from
 				`tabProduct Bundle Item` where parent = %s""", (frappe.db.escape(self.product_bundle_item)))[0][0]
 
+			if not total_bundle_qty:
+				# product bundle is 0 (product bundle allows 0 qty for items)
+				total_bundle_qty = 1
+
 		cond = "product_bundle_item = %s" if self.product_bundle_item else "production_item = %s"
 
 		qty = frappe.db.sql(""" select sum(qty) from