diff --git a/flake.nix b/flake.nix
index 1b337b2..f0159c0 100644
--- a/flake.nix
+++ b/flake.nix
@@ -96,7 +96,7 @@
       overlays.custom = final: _prev: {
         custom = {
           qwen-asr = final.callPackage ./packages/qwen-asr { };
-          llama-swap = final.callPackage ./packages/llama-swap { };
+          llama-swap = final.callPackage ./packages/llama-swap { buildGoModule = final.unstable.buildGoModule; };
           z-image-models = final.callPackage ./packages/z-image-models { };
           whisper-models = final.callPackage ./packages/whisper-models { };
           s2cpp = final.callPackage ./packages/s2cpp { };