diff --git a/module.nix b/module.nix
index 1227ed2..a59cbe5 100644
--- a/module.nix
+++ b/module.nix
@@ -184,7 +184,7 @@ in
         };
         postgresql = mkIf cfg.createDatabase {
           enable = true;
-          package = pkgs.postgresql_14;
+          package = lib.mkDefault pkgs.postgresql_14;
           ensureDatabases = [ "authentik" ];
           ensureUsers = [
             { name = "authentik"; ensureDBOwnership = true; }