diff --git a/machines/compute01/signald.nix b/machines/compute01/signald.nix
index 7aab6ab..2e673b5 100644
--- a/machines/compute01/signald.nix
+++ b/machines/compute01/signald.nix
@@ -1,7 +1,9 @@
-{ ... }: {
+{ pkgs, ... }:
+{
   # Ask Ryan for administration
   # as he's using one of his N phone numbers for the registration.
   services.signald = {
     enable = true;
   };
+  environment.systemPackages = [ pkgs.signaldctl ];
 }