1 files changed, 2 insertions, 1 deletions
diff --git a/tests/utils.py b/tests/utils.py
index 1ef80e7b79..dd347a0c59 100644
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -136,6 +136,8 @@ def default_config(name):
     config.rc_messages_per_second = 10000
     config.rc_message_burst_count = 10000
 
+    config.use_frozen_dicts = False
+
     # we need a sane default_room_version, otherwise attempts to create rooms will
     # fail.
     config.default_room_version = "1"
@@ -182,7 +184,6 @@ def setup_test_homeserver(
     if config is None:
         config = default_config(name)
 
-    config.use_frozen_dicts = True
     config.ldap_enabled = False
 
     if "clock" not in kargs: