diff --git a/python/sglang/srt/openai_api/protocol.py b/python/sglang/srt/openai_api/protocol.py
index 3d7d450c9..ff4c62f00 100644
--- a/python/sglang/srt/openai_api/protocol.py
+++ b/python/sglang/srt/openai_api/protocol.py
@@ -170,8 +170,8 @@ class CompletionRequest(BaseModel):
     # Extra parameters for SRT backend only and will be ignored by OpenAI models.
     regex: Optional[str] = None
     json_schema: Optional[str] = None
-    ignore_eos: Optional[bool] = False
-    min_tokens: Optional[int] = 0
+    ignore_eos: bool = False
+    min_tokens: int = 0
     repetition_penalty: Optional[float] = 1.0
     stop_token_ids: Optional[List[int]] = Field(default_factory=list)
 
@@ -275,6 +275,7 @@ class ChatCompletionRequest(BaseModel):
     min_tokens: Optional[int] = 0
     repetition_penalty: Optional[float] = 1.0
     stop_token_ids: Optional[List[int]] = Field(default_factory=list)
+    ignore_eos: bool = False
 
 
 class ChatMessage(BaseModel):