diff --git a/flake.nix b/flake.nix
index 4cde06e..5f90ba9 100644
--- a/flake.nix
+++ b/flake.nix
@@ -13,7 +13,7 @@
             modules = [
                 ./hosts/example.nix
             ];
-            format = "virtualbox";
+            format = "qcow";
         };
         
     };