diff --git a/unsloth/models/llama.py b/unsloth/models/llama.py
index ea5dabf738..1e301acc9b 100644
--- a/unsloth/models/llama.py
+++ b/unsloth/models/llama.py
@@ -791,7 +791,7 @@ def CausalLM_fast_forward(fast_forward_inference):
         *args, **kwargs,
     ) -> Union[Tuple, CausalLMOutputWithPast]:
         
-        if past_key_values is not None:
+        if past_key_values is not None and self.config.model_type != "qwen2":
             outputs = fast_forward_inference(
                 self,
                 input_ids,