diff --git a/configs/nixos/modules/services/romm.nix b/configs/nixos/modules/services/romm.nix
index ee2de32..1aff3b7 100644
--- a/configs/nixos/modules/services/romm.nix
+++ b/configs/nixos/modules/services/romm.nix
@@ -6,13 +6,6 @@
 }:
 let
   cfg = config.modules.services.romm;
-  rommConfig = (pkgs.formats.yaml { }).generate "romm-config.yml" {
-    emulatorjs.auto_save_sync = false;
-    filesystem.structure = {
-      default = "roms/{platform}/{game}";
-      firmware = "bios/{platform}";
-    };
-  };
 in
 {
   options.modules.services.romm = {
@@ -48,9 +41,16 @@ in
         inherit (cfg) environmentFile;
       };
 
-      systemd.tmpfiles.settings."10-romm"."${config.services.romm.dataDir}/config/config.yml"."L+" = {
-        argument = toString rommConfig;
-      };
+      systemd.tmpfiles.settings."10-romm"."${config.services.romm.dataDir}/config/config.yml"."L+".argument =
+        toString (
+          (pkgs.formats.yaml { }).generate "romm-config.yml" {
+            emulatorjs.auto_save_sync = false;
+            filesystem.structure = {
+              default = "roms/{platform}/{game}";
+              firmware = "bios/{platform}";
+            };
+          }
+        );
 
       users.users = {
         romm.uid = config.registry."stable-uid".${config.networking.hostName}.romm;