diff --git a/clientapi/clientapi_test.go b/clientapi/clientapi_test.go
index 29ff58665..ce726ca84 100644
--- a/clientapi/clientapi_test.go
+++ b/clientapi/clientapi_test.go
@@ -958,7 +958,8 @@ func TestCapabilities(t *testing.T) {
 		cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
 
 		// Needed to create accounts
-		rsAPI := roomserver.NewInternalAPI(processCtx, cfg, cm, &natsInstance, nil, caching.DisableMetrics)
+		caches := caching.NewRistrettoCache(128*1024*1024, time.Hour, caching.DisableMetrics)
+		rsAPI := roomserver.NewInternalAPI(processCtx, cfg, cm, &natsInstance, caches, caching.DisableMetrics)
 		rsAPI.SetFederationAPI(nil, nil)
 		userAPI := userapi.NewInternalAPI(processCtx, cfg, cm, &natsInstance, rsAPI, nil, caching.DisableMetrics, testIsBlacklistedOrBackingOff)
 		// We mostly need the rsAPI/userAPI for this test, so nil for other APIs etc.