diff --git a/hm/mcp.nix b/hm/mcp.nix
index da644a6..bf18b77 100644
--- a/hm/mcp.nix
+++ b/hm/mcp.nix
@@ -4,8 +4,8 @@
       enable = true;
       servers = {
         mcp-nixos = {
-          command = "nix";
-          args = [ "run" "github:utensils/mcp-nixos" "--" ];
+          command = "${unstable.mcp-nixos}/bin/mcp-nixos";
+          args = [ "--" ];
         };
         mcp-ctl = {
           command = "nix";