diff --git a/erpnext/patches/v11_0/create_department_records_for_each_company.py b/erpnext/patches/v11_0/create_department_records_for_each_company.py
index 1257f19..b5a7bd9 100644
--- a/erpnext/patches/v11_0/create_department_records_for_each_company.py
+++ b/erpnext/patches/v11_0/create_department_records_for_each_company.py
@@ -27,8 +27,10 @@
 		for company in companies:
 			copy_doc = frappe.copy_doc(department_doc)
 			copy_doc.update({"company": company.name})
-			copy_doc.insert()
-
+			try:
+				copy_doc.insert()
+			except frappe.DuplicateEntryError:
+				pass
 			# append list of new department for each company
 			comp_dict[company.name][department.name] = copy_doc.name