diff --git a/hosts/jokum/services/matrix/synapse.nix b/hosts/jokum/services/matrix/synapse.nix
index 88abc7b..ff7d5ce 100644
--- a/hosts/jokum/services/matrix/synapse.nix
+++ b/hosts/jokum/services/matrix/synapse.nix
@@ -198,6 +198,7 @@ in {
         "fed-receiver/1"
         "initial-sync/1"
         "normal-sync/1"
+        "event-persist/1"
       ];
     in {
       alias = pkgs.writeTextDir "/config.json"