diff --git a/hosts/citadel/default.nix b/hosts/citadel/default.nix
index ea8787b..f59ac7d 100644
--- a/hosts/citadel/default.nix
+++ b/hosts/citadel/default.nix
@@ -94,7 +94,7 @@ in {
     reboot = false;
     pushUpdates = false;
     configDir = "/etc/nixos";
-    onCalendar = "daily";
+    onCalendar = "*-*-* 08:00:00";
     user = "sam";
   };