diff --git a/erpnext/setup/doctype/company/delete_company_transactions.py b/erpnext/setup/doctype/company/delete_company_transactions.py
index f804f27df65..506ccffbf62 100644
--- a/erpnext/setup/doctype/company/delete_company_transactions.py
+++ b/erpnext/setup/doctype/company/delete_company_transactions.py
@@ -49,7 +49,7 @@ def delete_for_doctype(doctype, company_name):
 
 		# reset series
 		naming_series = meta.get_field("naming_series")
-		if naming_series:
+		if naming_series and naming_series.options:
 			prefixes = sorted(naming_series.options.split("\n"), lambda a, b: len(b) - len(a))
 
 			for prefix in prefixes: