diff --git a/nixos/mirai/services/llama.nix b/nixos/mirai/services/llama.nix
index 6fcf4dce..59521c57 100644
--- a/nixos/mirai/services/llama.nix
+++ b/nixos/mirai/services/llama.nix
@@ -23,8 +23,8 @@
       enable = true;
       port = 11435;
       model = pkgs.fetchurl {
-        url = "https://huggingface.co/unsloth/gpt-oss-20b-GGUF/resolve/main/gpt-oss-20b-F16.gguf";
-        sha256 = "sha256-vE1SpG4diQiP88u0viGnyZ8LtotTUU19UGecnwfjOkE=";
+        url = "https://huggingface.co/lmstudio-community/gpt-oss-20b-GGUF/resolve/main/gpt-oss-20b-MXFP4.gguf";
+        sha256 = "65d06d31a3977d553cb3af137b5c26b5f1e9297a6aaa29ae7caa98788cde53ab";
       };
       package = pkgs.ik_llama;
     };