diff --git a/python/sglang/srt/entrypoints/engine.py b/python/sglang/srt/entrypoints/engine.py
index 3f58ca644..cf1bf6a57 100644
--- a/python/sglang/srt/entrypoints/engine.py
+++ b/python/sglang/srt/entrypoints/engine.py
@@ -332,6 +332,7 @@ class Engine(EngineScoreMixin, EngineBase):
         token_ids_logprob: Optional[Union[List[List[int]], List[int]]] = None,
         lora_path: Optional[List[Optional[str]]] = None,
         custom_logit_processor: Optional[Union[List[str], str]] = None,
+        require_reasoning: bool = False,
         return_hidden_states: bool = False,
         return_routed_experts: bool = False,
         routed_experts_start_len: int = 0,
@@ -370,6 +371,7 @@ class Engine(EngineScoreMixin, EngineBase):
             token_ids_logprob=token_ids_logprob,
             lora_path=lora_path,
             custom_logit_processor=custom_logit_processor,
+            require_reasoning=require_reasoning,
             return_hidden_states=return_hidden_states,
             return_routed_experts=return_routed_experts,
             routed_experts_start_len=routed_experts_start_len,
@@ -432,6 +434,7 @@ class Engine(EngineScoreMixin, EngineBase):
         token_ids_logprob: Optional[Union[List[List[int]], List[int]]] = None,
         lora_path: Optional[List[Optional[str]]] = None,
         custom_logit_processor: Optional[Union[List[str], str]] = None,
+        require_reasoning: bool = False,
         return_hidden_states: bool = False,
         return_routed_experts: bool = False,
         routed_experts_start_len: int = 0,
@@ -469,6 +472,7 @@ class Engine(EngineScoreMixin, EngineBase):
             top_logprobs_num=top_logprobs_num,
             token_ids_logprob=token_ids_logprob,
             lora_path=lora_path,
+            require_reasoning=require_reasoning,
             return_hidden_states=return_hidden_states,
             return_routed_experts=return_routed_experts,
             routed_experts_start_len=routed_experts_start_len,