diff --git a/default.nix b/default.nix
index 12e488e..bf9564d 100644
--- a/default.nix
+++ b/default.nix
@@ -6,7 +6,7 @@ with builtins;
 
 let
   nixpkgs' = nixpkgs
-    { crossSystem = system;
+    { crossSystem = system // { useLLVM = true; };
       config.allowUnsupportedSystem = true;
     };