diff --git a/module.nix b/module.nix
index 730c438..213d00e 100644
--- a/module.nix
+++ b/module.nix
@@ -33,7 +33,7 @@ in
         ExecStart =
           let
             execName = service;
-            script = lib.writeShellScriptBin execName ''
+            script = pkgs.writeShellScriptBin execName ''
               echo "hello!"
             '';
           in