diff --git a/modules/periodic.nix b/modules/periodic.nix
index 3b4fe38..a877710 100644
--- a/modules/periodic.nix
+++ b/modules/periodic.nix
@@ -28,8 +28,9 @@
     description = "Purge Doom Emacs";
     wantedBy = [ "default.target" ];
     path = with pkgs; [ bash emacsPgtkGcc git coreutils ];
-    script =
-      "${pkgs.bash}/bin/bash -c '/home/coolneng/.emacs.d/bin/doom -y purge'";
+    script = ''
+      ${pkgs.bash}/bin/bash -c "/home/coolneng/.emacs.d/bin/doom -y purge"
+    '';
     serviceConfig = { Type = "oneshot"; };
   };