diff --git a/python/sglang/srt/entrypoints/openai/protocol.py b/python/sglang/srt/entrypoints/openai/protocol.py
index 3a53dff3e..f73e67d0b 100644
--- a/python/sglang/srt/entrypoints/openai/protocol.py
+++ b/python/sglang/srt/entrypoints/openai/protocol.py
@@ -542,9 +542,9 @@ class ChatCompletionRequest(BaseModel):
     rid: Optional[Union[List[str], str]] = None
 
     # For PD disaggregation
-    bootstrap_host: Optional[str] = None
-    bootstrap_port: Optional[int] = None
-    bootstrap_room: Optional[int] = None
+    bootstrap_host: Optional[Union[List[str], str]] = None
+    bootstrap_port: Optional[Union[List[Optional[int]], int]] = None
+    bootstrap_room: Optional[Union[List[int], int]] = None
 
 
 class ChatMessage(BaseModel):