diff --git a/cmd/dendrite-room-server/main.go b/cmd/dendrite-room-server/main.go
index ec7f2654c..a2f1e9415 100644
--- a/cmd/dendrite-room-server/main.go
+++ b/cmd/dendrite-room-server/main.go
@@ -31,7 +31,7 @@ func main() {
 	fsAPI := base.FederationSenderHTTPClient()
 	rsAPI := roomserver.NewInternalAPI(base, keyRing, federation)
 	rsAPI.SetFederationSenderAPI(fsAPI)
-	roomserver.AddInternalRoutes(base.PublicAPIMux, rsAPI)
+	roomserver.AddInternalRoutes(base.InternalAPIMux, rsAPI)
 
 	base.SetupAndServeHTTP(string(base.Cfg.Bind.RoomServer), string(base.Cfg.Listen.RoomServer))