diff --git a/services/llama-cpp.nix b/services/llama-cpp.nix
index c49b32c..557faee 100644
--- a/services/llama-cpp.nix
+++ b/services/llama-cpp.nix
@@ -18,7 +18,8 @@
     );
     port = service_configs.ports.llama_cpp;
     host = "0.0.0.0";
-    package = (optimizePackage inputs.llamacpp.packages.${pkgs.system}.vulkan);
+    # vulkan broken: https://github.com/ggml-org/llama.cpp/issues/13801
+    package = (optimizePackage inputs.llamacpp.packages.${pkgs.system}.default);
     extraFlags = [
       "-ngl"
       "9999"