diff --git a/app/models/query.py b/app/models/query.py
index d771cba..303adf9 100644
--- a/app/models/query.py
+++ b/app/models/query.py
@@ -22,7 +22,7 @@ class BackendQueryRequest(BaseModel):
     """Backend mode query request (one-by-one)."""
 
     environment: str  # ift, psi, prod
-    questions: list[str]
+    questions: list[QuestionRequest]
     reset_session: bool = True