diff --git a/msystems/services.py b/msystems/services.py
index 75fb38b..e931bd6 100644
--- a/msystems/services.py
+++ b/msystems/services.py
@@ -75,14 +75,14 @@ def _update_user(self, user: User, user_data: dict) -> None:
             self._update_user_name(user.i_user, data_first_name, data_last_name)
 
     def _update_user_legal_entities(self, user: User, user_data: dict) -> None:
-        legal_entities = self._parse_legal_entities(user_data.get('OrganizationAdministrator'))
+        legal_entities = self._parse_legal_entities(user_data.get('OrganizationAdministrator', []))
         policyholders = [self._get_or_create_policy_holder(user, line[1], line[0]) for line in legal_entities]
 
         self._delete_old_user_policyholders(user, policyholders)
         self._add_new_user_policyholders(user, policyholders)
 
     def _update_user_roles(self, user, user_data):
-        msystem_roles_list = user_data.get('Role')
+        msystem_roles_list = user_data.get('Role', [MsystemsConfig.EMPLOYER])
 
         self._delete_old_user_roles(user, msystem_roles_list)
         self._add_new_user_roles(user, msystem_roles_list)