diff --git a/configuration/Legion.nix b/configuration/Legion.nix
index 6e2aa886..df4d6c6f 100644
--- a/configuration/Legion.nix
+++ b/configuration/Legion.nix
@@ -15,12 +15,5 @@
     efi.canTouchEfiVariables = true;
   };
   users.mutableUsers = false;
-  system.autoUpgrade = {
-    operation = "switch";
-    allowReboot = true;
-    rebootWindow = {
-      lower = "01:00";
-      upper = "05:00";
-    };
-  };
+  system.autoUpgrade.operation = "switch";
 }
diff --git a/configuration/default.nix b/configuration/default.nix
index f2a220d5..698f4816 100644
--- a/configuration/default.nix
+++ b/configuration/default.nix
@@ -32,10 +32,12 @@
     autoUpgrade = {
       enable = true;
       persistent = true;
+      allowReboot = false;
       flake = "git+${config.nix.registry.my-nixos.to.url}";
       dates = "02:00";
       randomizedDelaySec = "45min";
       flags = [
+        "--accept-flake-config"
         "--option"
         "extra-binary-caches"
         "https://nix.xenia.me.uk"