diff --git a/images/cachix/default.nix b/images/cachix/default.nix
index bbc7f12..7596851 100644
--- a/images/cachix/default.nix
+++ b/images/cachix/default.nix
@@ -1,6 +1,10 @@
 { docker-nixpkgs
 , cachix
 }:
-docker-nixpkgs.nix.override {
+(docker-nixpkgs.nix.override {
   extraContents = [ cachix ];
-}
+}).overrideAttrs (prev: {
+  meta = prev.meta // {
+    description = "Nix and Cachix image";
+  };
+})