1 files changed, 2 insertions, 3 deletions
diff --git a/nixpkgs/nixos/modules/installer/cd-dvd/system-tarball-pc.nix b/nixpkgs/nixos/modules/installer/cd-dvd/system-tarball-pc.nix
index bf8b7deb59e..f2af7dcde3d 100644
--- a/nixpkgs/nixos/modules/installer/cd-dvd/system-tarball-pc.nix
+++ b/nixpkgs/nixos/modules/installer/cd-dvd/system-tarball-pc.nix
@@ -122,11 +122,10 @@ in
 
   /* fake entry, just to have a happy stage-1. Users
      may boot without having stage-1 though */
-  fileSystems = [
+  fileSystems.fake =
     { mountPoint = "/";
       device = "/dev/something";
-      }
-  ];
+    };
 
   nixpkgs.config = {
     packageOverrides = p: {