diff --git a/dynamicweb/settings/local.py b/dynamicweb/settings/local.py
index c48a4a2b..28d49bb2 100644
--- a/dynamicweb/settings/local.py
+++ b/dynamicweb/settings/local.py
@@ -26,3 +26,11 @@ INSTALLED_APPS += (
     # debug_toolbar seems to conflict with multisite (and djangocms_multisite)
     #   'debug_toolbar'
     )
+
+# Without an LDAP server (e.g. the docker test stack) log in with plain Django
+# authentication, otherwise every successful login fails creating the LDAP account
+if not AUTH_LDAP_SERVER:
+    AUTHENTICATION_BACKENDS = tuple(
+        'django.contrib.auth.backends.ModelBackend'
+        if backend == 'utils.backend.MyLDAPBackend' else backend
+        for backend in AUTHENTICATION_BACKENDS)