diff --git a/machines/renge/services/matrix/mautrix-signal.nix b/machines/renge/services/matrix/mautrix-signal.nix
index ee707ce..a21522e 100644
--- a/machines/renge/services/matrix/mautrix-signal.nix
+++ b/machines/renge/services/matrix/mautrix-signal.nix
@@ -70,6 +70,8 @@ in
     group = "signald";
   };
 
+  systemd.services.signald.serviceConfig.ExecStart = lib.mkForce "${pkgs.unstable.signald}/bin/signald -d /var/lib/signald -s ${config.services.signald.socketPath}";
+
   services.postgresql = {
     enable = true;
     ensureDatabases = [ "mautrix-signal" ];