diff --git a/flake.nix b/flake.nix
index b1915e8..ccf0e9e 100644
--- a/flake.nix
+++ b/flake.nix
@@ -19,6 +19,7 @@
     ];
     trusted-users = [ "root" ];
     allow-import-from-derivation = true;
+    fallback = true;
   };
 
   inputs = {