diff --git a/apps/settings/utils/ldap.py b/apps/settings/utils/ldap.py
index 6333f0350..afcd2dca1 100644
--- a/apps/settings/utils/ldap.py
+++ b/apps/settings/utils/ldap.py
@@ -652,7 +652,7 @@ class LDAPTestUtil(object):
     def _test_before_login_check(self, username, password):
         from settings.ws import CACHE_KEY_LDAP_TEST_CONFIG_TASK_STATUS, TASK_STATUS_IS_OVER
         if not cache.get(CACHE_KEY_LDAP_TEST_CONFIG_TASK_STATUS):
-            raise self.LDAPBeforeLoginCheckError(_('Please test the connection first'))
+            self.test_config()
 
         backend = LDAPAuthorizationBackend()
         ok, msg = backend.pre_check(username, password)