diff --git a/main.py b/main.py
index 2604b23..d5508ef 100755
--- a/main.py
+++ b/main.py
@@ -129,8 +129,8 @@ def append_extra_group_fields_to_ldap_user(ldap_user: WritableEntry, dolibarr_us
             dolibarr_attr = dolibarr_attr[7:]
             for dolibarr_group in dolibarr_groups:
                 if dolibarr_attr.endswith('[]'):
-                    dolibarr_attr = dolibarr_attr[:-2]
-                    value = dolibarr_group.get(dolibarr_attr, None) or dolibarr_group['array_options'][f'options_{dolibarr_attr}']
+                    attr = dolibarr_attr[:-2]
+                    value = dolibarr_group.get(attr, None) or dolibarr_group['array_options'][f'options_{attr}']
                     value = value.split() if value else []
                     values += value
                 else:
@@ -144,7 +144,7 @@ def append_extra_group_fields_to_ldap_user(ldap_user: WritableEntry, dolibarr_us
         else:
             value = "".join(map(str, values))
         setattr(ldap_user, ldap_attr, value)
-        
+
 
 def manage_groups_extra_fields(ldap_conn: Connection, dolibarr_client: Dolibarrpy):
     dolibarr_groups = dolibarr_client.call_list_api('users/groups')