diff --git a/src/pretix/testutils/mock.py b/src/pretix/testutils/mock.py
index 66ee3fb52..9d9ba02bd 100644
--- a/src/pretix/testutils/mock.py
+++ b/src/pretix/testutils/mock.py
@@ -38,4 +38,4 @@ def mocker_context():
 
 
 def get_redis_connection(alias="default", write=True):
-    return fakeredis.FakeStrictRedis(server=fakeredis.FakeServer.get_server("127.0.0.1:None:v(7, 0)", (7, 0)))
+    return fakeredis.FakeStrictRedis(server=fakeredis.FakeServer.get_server("127.0.0.1:None:v(7, 0)", (7, 0), server_type="redis"))