1 files changed, 1 insertions, 0 deletions

diff --git a/tests/server.py b/tests/server.py

index aaefcfc46c..b9f465971f 100644
--- a/tests/server.py
+++ b/tests/server.py
@@ -749,6 +749,7 @@ def setup_test_homeserver(
     if config is None:
         config = default_config(name, parse=True)
 
+    config.caches.resize_all_caches()
     config.ldap_enabled = False
 
     if "clock" not in kwargs: