diff --git a/vllm/model_executor/models/gpt_oss.py b/vllm/model_executor/models/gpt_oss.py
index 328c8c0ac4b7..7df3b087ccb8 100644
--- a/vllm/model_executor/models/gpt_oss.py
+++ b/vllm/model_executor/models/gpt_oss.py
@@ -494,8 +494,8 @@ def _load_weights_mxfp4(
 
     def _load_weights_other(
         self,
-        ep_rank_start: int,
         ep_rank_end: int,
+        ep_rank_start: int,
         heads_per_rank: int,
         head_start: int,
         weights: Iterable[tuple[str, torch.Tensor]],