diff --git a/erpnext/accounts/doctype/chart_of_accounts_importer/chart_of_accounts_importer.py b/erpnext/accounts/doctype/chart_of_accounts_importer/chart_of_accounts_importer.py
index 9c4f2f8fd49..eeaa5abfc6d 100644
--- a/erpnext/accounts/doctype/chart_of_accounts_importer/chart_of_accounts_importer.py
+++ b/erpnext/accounts/doctype/chart_of_accounts_importer/chart_of_accounts_importer.py
@@ -215,6 +215,7 @@ def build_forest(data):
 		for row in data:
 			account_name, parent_account, account_number, parent_account_number = row[0:4]
 			if account_number:
+				account_number = cstr(account_number).strip()
 				account_name = f"{account_number} - {account_name}"
 			if parent_account_number:
 				parent_account_number = cstr(parent_account_number).strip()