diff --git a/python/sglang/srt/hf_transformers_utils.py b/python/sglang/srt/hf_transformers_utils.py
index fb4635558..224b1396b 100644
--- a/python/sglang/srt/hf_transformers_utils.py
+++ b/python/sglang/srt/hf_transformers_utils.py
@@ -73,6 +73,8 @@ def get_context_length(config):
     rope_scaling = getattr(config, "rope_scaling", None)
     if rope_scaling:
         rope_scaling_factor = config.rope_scaling["factor"]
+        if "original_max_position_embeddings" in rope_scaling:
+            rope_scaling_factor = 1
         if config.rope_scaling.get("rope_type", None) == "llama3":
             rope_scaling_factor = 1
     else: