diff --git a/nixos/modules/system/boot/systemd.nix b/nixos/modules/system/boot/systemd.nix
index 9a187e86d76b..467a5d04516f 100644
--- a/nixos/modules/system/boot/systemd.nix
+++ b/nixos/modules/system/boot/systemd.nix
@@ -374,9 +374,7 @@ in
     generatorPath = mkOption {
       type = types.listOf types.package;
       default = [ ];
-      example = [
-        pkgs.hello
-      ];
+      example = lib.literalExpression "[ pkgs.hello ]";
       description = ''
         Packages added to the `PATH` environment variable of all systemd generators.
       '';