diff --git a/nixos/modules/services/admin/oxidized.nix b/nixos/modules/services/admin/oxidized.nix
index a00a5d388101..d581f1baa826 100644
--- a/nixos/modules/services/admin/oxidized.nix
+++ b/nixos/modules/services/admin/oxidized.nix
@@ -36,7 +36,7 @@ in
     };
 
     configFile = lib.mkOption {
-      type = lib.types.path;
+      type = lib.types.nullOr lib.types.path;
       example = lib.literalExpression ''
         pkgs.writeText "oxidized-config.yml" '''
           ---
@@ -122,6 +122,8 @@ in
         };
       };
 
+    }
+    // lib.optionalAttrs (cfg.configFile != null) {
       "${cfg.dataDir}/.config/oxidized/config" = {
         "L+" = {
           argument = "${cfg.configFile}";