diff --git a/erpnext/setup/doctype/company/delete_company_transactions.py b/erpnext/setup/doctype/company/delete_company_transactions.py
index 00ac76c..d32e14f 100644
--- a/erpnext/setup/doctype/company/delete_company_transactions.py
+++ b/erpnext/setup/doctype/company/delete_company_transactions.py
@@ -29,7 +29,7 @@
 
 		else:
 			# un-set company
-			frappe.db.sql('update `tab{0}` set company="" where company=%s', company_name)
+			frappe.db.sql('update `tab{0}` set company="" where company=%s'.format(doctype), company_name)
 
 	# Clear notification counts
 	clear_notifications()