diff --git a/backup.nix b/backup.nix
index 72b4087..70a9536 100644
--- a/backup.nix
+++ b/backup.nix
@@ -60,12 +60,10 @@ in
     };
     systemd.timers."backup-helper@" = {
       enable = false;
-      environment = {
-        timerConfig = {
-          OnCalendar = cfg.schedule;
-          Persistent = true;
-          RandomizedDelaySec = cfg.randomized-delay;
-        };
+      timerConfig = {
+        OnCalendar = cfg.schedule;
+        Persistent = true;
+        RandomizedDelaySec = cfg.randomized-delay;
       };
     };
   };