diff --git a/backend/open_webui/routers/retrieval.py b/backend/open_webui/routers/retrieval.py
index 38cddbe3bd..ec19922fa9 100644
--- a/backend/open_webui/routers/retrieval.py
+++ b/backend/open_webui/routers/retrieval.py
@@ -884,7 +884,7 @@ class ConfigForm(BaseModel):
     MINERU_API_MODE: str | None = None
     MINERU_API_URL: str | None = None
     MINERU_API_KEY: str | None = None
-    MINERU_API_TIMEOUT: str | None = None
+    MINERU_API_TIMEOUT: int | None = None
     MINERU_PARAMS: dict | None = None
     MINERU_FILE_EXTENSIONS: list[str] | None = None