diff --git a/backend/open_webui/models/files.py b/backend/open_webui/models/files.py
index 577ad331ce..9d4e8fb054 100644
--- a/backend/open_webui/models/files.py
+++ b/backend/open_webui/models/files.py
@@ -81,7 +81,7 @@ class FileModelResponse(BaseModel):
 class FileMetadataResponse(BaseModel):
     id: str
     hash: Optional[str] = None
-    meta: dict
+    meta: Optional[dict] = None
     created_at: int  # timestamp in epoch
     updated_at: int  # timestamp in epoch