diff --git a/tests/participant/test_umlaut_user.py b/tests/participant/test_umlaut_user.py
index e13ffbc88..7128e0eb4 100644
--- a/tests/participant/test_umlaut_user.py
+++ b/tests/participant/test_umlaut_user.py
@@ -9,11 +9,13 @@
 """
 
 from django.test.client import Client
+from django.test.utils import override_settings
 
 from openslides.participant.models import Group, User
 from openslides.utils.test import TestCase
 
 
+@override_settings(PASSWORD_HASHERS=('django.contrib.auth.hashers.PBKDF2PasswordHasher',))
 class TestUmlautUser(TestCase):
     """
     Tests persons with umlauts in there name.
diff --git a/tests/settings.py b/tests/settings.py
index 598299875..238a91e36 100644
--- a/tests/settings.py
+++ b/tests/settings.py
@@ -41,3 +41,8 @@ MEDIA_ROOT = os.path.realpath(os.path.dirname(__file__))
 # Path to Whoosh search index
 # Use RAM storage
 HAYSTACK_CONNECTIONS['default']['STORAGE'] = 'ram'
+
+# Use a faster passwort hasher
+PASSWORD_HASHERS = (
+    'django.contrib.auth.hashers.MD5PasswordHasher',
+)