diff --git a/guix-installer-vm-system.scm b/guix-installer-vm-system.scm
index f6bfbf4..71bed52 100644
--- a/guix-installer-vm-system.scm
+++ b/guix-installer-vm-system.scm
@@ -157,7 +157,8 @@ needed for unattended upgrades to work.")
         (operating-system-file
          (string-append "/run/current-system/profile"
                         "/share/guix-installer-vm/configs/"
-                        "guix-installer-vm-system.scm")))))
+                        "guix-installer-vm-system.scm"))
+        (schedule "0 * * * * "))))
      (modify-services
       %base-services
       (guix-service-type config => (guix-configuration