diff --git a/modules/gameservers/valheim/default.nix b/modules/gameservers/valheim/default.nix
index 2c86d1a..bd138b6 100644
--- a/modules/gameservers/valheim/default.nix
+++ b/modules/gameservers/valheim/default.nix
@@ -35,8 +35,8 @@ in {
       description = "set uid and pid of ${service} user (matches port by default)";
     };
     motd_gs = lib.mkOption {
-      type = lib.types.nullOr lib.types.str;
-      default = "podman-valheim";
+      type = lib.types.nullOr (lib.types.listOf lib.types.str);
+      default = ["podman-valheim"];
     };
     backup = lib.mkOption {
       type = lib.types.bool;