diff --git a/backend/danswer/server/models.py b/backend/danswer/server/models.py
index 1b72121f39c9..7138696250ad 100644
--- a/backend/danswer/server/models.py
+++ b/backend/danswer/server/models.py
@@ -206,7 +206,7 @@ class QuestionRequest(BaseModel):
     offset: int | None
     enable_auto_detect_filters: bool
     favor_recent: bool | None = None
-    use_keyword: bool = False  # TODO remove this for hybrid search
+    use_keyword: bool | None  # TODO remove this for hybrid search
     search_flow: SearchType | None = None  # Default hybrid