diff --git a/configuration.nix b/configuration.nix
index 4acb4d5..89db9de 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -7,7 +7,7 @@
 let
   unstableTarball =
     fetchTarball
-      https://github.com/NixOS/nixpkgs/archive/nixos-unstbale.tar.gz;
+      https://github.com/NixOS/nixpkgs/archive/nixos-unstable.tar.gz;
 in
 
 
@@ -145,7 +145,7 @@ in
 
    nixpkgs.config = {
      packageOverrides = pkgs: with pkgs; {
-       stable = import unstableTarball {
+       unstable = import unstableTarball {
          config = config.nixpkgs.config;
        };
      };