diff --git a/erpnext/manufacturing/doctype/job_card/job_card.py b/erpnext/manufacturing/doctype/job_card/job_card.py
index ef740d2..79a9836 100644
--- a/erpnext/manufacturing/doctype/job_card/job_card.py
+++ b/erpnext/manufacturing/doctype/job_card/job_card.py
@@ -547,7 +547,7 @@
 			)
 
 	def update_work_order_data(self, for_quantity, time_in_mins, wo):
-		ws_hr_rate = frappe.get_value("Workstation", self.workstation, "hour_rate")
+		workstation_hour_rate = frappe.get_value("Workstation", self.workstation, "hour_rate")
 		jc = frappe.qb.DocType("Job Card")
 		jctl = frappe.qb.DocType("Job Card Time Log")