diff --git a/nixos/linux.nix b/nixos/linux.nix
index 0a504c8..0122144 100644
--- a/nixos/linux.nix
+++ b/nixos/linux.nix
@@ -31,7 +31,7 @@
 
   pullomatic = "${pullomaticPkg}/bin/pullomatic";
 
-  start-arion-run = writeShellScriptBin "start-arion-run" ''
+  start-arion-run = pkgs.writeShellScriptBin "start-arion-run" ''
     cd /root/petersweb-infra/nixos/arion
     ${pkgs.arion}/bin/arion down
     ${pkgs.arion}/bin/arion up