diff --git a/kischdle/llmux/config/models.yaml b/kischdle/llmux/config/models.yaml
index 1b0db5a..b47c82a 100644
--- a/kischdle/llmux/config/models.yaml
+++ b/kischdle/llmux/config/models.yaml
@@ -36,8 +36,9 @@ physical_models:
 
   gpt-oss-20b-uncensored:
     type: llm
-    backend: transformers
-    model_id: "aoxo/gpt-oss-20b-uncensored"
+    backend: llamacpp
+    model_id: "HauhauCS/GPT-OSS-20B-Uncensored-HauhauCS-Aggressive"
+    model_file: "GPT-OSS-20B-Uncensored-HauhauCS-MXFP4-Aggressive.gguf"
     estimated_vram_gb: 13
     supports_vision: false
     supports_tools: true