diff --git a/flake.nix b/flake.nix
index 0144333..e9eedb8 100644
--- a/flake.nix
+++ b/flake.nix
@@ -108,10 +108,10 @@
 
       overlays = with inputs; [
         (final: prev: {
-          inherit (claude.packages.${prev.system}) claude-desktop-with-fhs;
+          inherit (claude.packages.${prev.stdenv.hostPlatform.system}) claude-desktop-with-fhs;
         })
         (final: prev: {
-          inherit (cratedocs.packages.${prev.system}) cratedocs-mcp;
+          inherit (cratedocs.packages.${prev.stdenv.hostPlatform.system}) cratedocs-mcp;
         })
       ];