diff --git a/hosts/radiobert/base.nix b/hosts/radiobert/base.nix
index d74bf209..abe0d2b5 100644
--- a/hosts/radiobert/base.nix
+++ b/hosts/radiobert/base.nix
@@ -66,6 +66,10 @@
       pin = 23;
       location = "Aussen";
     } ];
+
+    # unless you automate walking up to the roof, do never enable
+    # automatic updates for this machine!
+    autoUpdate = lib.mkForce false;
   };
 
   nix = {