diff --git a/erpnext/accounts/doctype/account/chart_of_accounts/chart_of_accounts.py b/erpnext/accounts/doctype/account/chart_of_accounts/chart_of_accounts.py
index 1bf9196a4f7..0e3b24cda3d 100644
--- a/erpnext/accounts/doctype/account/chart_of_accounts/chart_of_accounts.py
+++ b/erpnext/accounts/doctype/account/chart_of_accounts/chart_of_accounts.py
@@ -225,7 +225,7 @@ def build_tree_from_json(chart_template, chart_data=None):
 
 			account['parent_account'] = parent
 			account['expandable'] = True if identify_is_group(child) else False
-			account['value'] = (child.get('account_number') + ' - ' + account_name) \
+			account['value'] = (cstr(child.get('account_number')).strip() + ' - ' + account_name) \
 				if child.get('account_number') else account_name
 			accounts.append(account)
 			_import_accounts(child, account['value'])