diff --git a/erpnext/accounts/doctype/cost_center/cost_center.py b/erpnext/accounts/doctype/cost_center/cost_center.py
index 348e022..83ad9d2 100644
--- a/erpnext/accounts/doctype/cost_center/cost_center.py
+++ b/erpnext/accounts/doctype/cost_center/cost_center.py
@@ -53,7 +53,7 @@
 		if not self.doc.group_or_ledger:
 			msgprint("Please select Group or Ledger value", raise_exception=1)
 			
-		if self.doc.cost_center_name != 'Root' and not self.parent_cost_center:
+		if self.doc.cost_center_name != 'Root' and not self.doc.parent_cost_center:
 			msgprint("Please enter parent cost center", raise_exception=1)
 		
 	#-------------------------------------------------------------------------