diff --git a/convert_hf_to_gguf.py b/convert_hf_to_gguf.py
index 9d12a1e56d..ef0501883d 100755
--- a/convert_hf_to_gguf.py
+++ b/convert_hf_to_gguf.py
@@ -6298,7 +6298,7 @@ class UltravoxWhisperEncoderModel(WhisperEncoderModel):
         super().set_gguf_parameters()
         self.gguf_writer.add_audio_stack_factor(self.global_config["stack_factor"])
 
-@Model.register("SmolLM3ForCausalLM")
+@ModelBase.register("SmolLM3ForCausalLM")
 class SmolLM3Model(LlamaModel):
     model_arch = gguf.MODEL_ARCH.SMOLLM3