diff --git a/hosts/common/optional/restic-backup.nix b/hosts/common/optional/restic-backup.nix
index 8c702ed..837c47e 100644
--- a/hosts/common/optional/restic-backup.nix
+++ b/hosts/common/optional/restic-backup.nix
@@ -14,6 +14,11 @@ in {
   sops.secrets = {};
   services.restic.backups = {
     daily = {
+      timer = {
+        OnCalendar = "*-*-* 23:00:00";
+        Persistent = true;
+        RandomizedDelaySec = "30m";
+      };
       initialize = true;
       passwordFile = passwordFile;
       paths = [