diff --git a/pkgs/by-name/ko/koboldcpp/package.nix b/pkgs/by-name/ko/koboldcpp/package.nix
index c794db976700..69170ecc2d58 100644
--- a/pkgs/by-name/ko/koboldcpp/package.nix
+++ b/pkgs/by-name/ko/koboldcpp/package.nix
@@ -23,7 +23,7 @@
   clblast,
   ocl-icd,
 
-  vulkanSupport ? (!stdenv.hostPlatform.isDarwin),
+  vulkanSupport ? true,
   vulkan-loader,
   shaderc,
   metalSupport ? stdenv.hostPlatform.isDarwin,