diff --git a/hm_modules/nix-index.nix b/hm_modules/nix-index.nix
index 8a730d0..8ec6d21 100644
--- a/hm_modules/nix-index.nix
+++ b/hm_modules/nix-index.nix
@@ -1,6 +1,7 @@
-{ pkgs, ... }: {
+{ config, ... }: {
   programs.nix-index = {
     enable = true;
+    # package = pkgs.unstable_pkgs.nix-index;
     enableBashIntegration = true;
     enableZshIntegration = true;
   };
@@ -13,7 +14,7 @@
       };
       Service = {
         Type = "oneshot";
-        ExecStart = "${pkgs.nix-index}/bin/nix-index";
+        ExecStart = "${config.programs.nix-index.package}/bin/nix-index";
       };
     };