diff --git a/disk b/disk.sh
similarity index 100%
rename from disk
rename to disk.sh
diff --git a/flake.nix b/flake.nix
index 4738a0b..8475959 100644
--- a/flake.nix
+++ b/flake.nix
@@ -66,7 +66,7 @@
             dosfstools
           ];
 
-          text = builtins.readFile ./disk;
+          text = builtins.readFile ./disk.sh;
         };
       };
     };