diff --git a/nixos/modules/services/hardware/udisks2.nix b/nixos/modules/services/hardware/udisks2.nix
index ed8703be921..e898f326058 100644
--- a/nixos/modules/services/hardware/udisks2.nix
+++ b/nixos/modules/services/hardware/udisks2.nix
@@ -34,10 +34,7 @@ with lib;
 
     services.dbus.packages = [ pkgs.udisks2 ];
 
-    system.activationScripts.udisks2 =
-      ''
-        mkdir -m 0755 -p /var/lib/udisks2
-      '';
+    systemd.tmpfiles.rules = [ "d /var/lib/udisks2 0755 root root -" ];
 
     services.udev.packages = [ pkgs.udisks2 ];