1 files changed, 2 insertions, 0 deletions
diff --git a/tests/rest/client/test_retention.py b/tests/rest/client/test_retention.py
index e1a6e73e17..b06c4d4ad5 100644
--- a/tests/rest/client/test_retention.py
+++ b/tests/rest/client/test_retention.py
@@ -33,6 +33,7 @@ class RetentionTestCase(unittest.HomeserverTestCase):
 
     def make_homeserver(self, reactor, clock):
         config = self.default_config()
+        config["default_room_version"] = "1"
         config["retention"] = {
             "enabled": True,
             "default_policy": {
@@ -242,6 +243,7 @@ class RetentionNoDefaultPolicyTestCase(unittest.HomeserverTestCase):
 
     def make_homeserver(self, reactor, clock):
         config = self.default_config()
+        config["default_room_version"] = "1"
         config["retention"] = {
             "enabled": True,
         }