diff --git a/api/factories/file_factory.py b/api/factories/file_factory.py
index 94bbeebd6d..8cb45f194b 100644
--- a/api/factories/file_factory.py
+++ b/api/factories/file_factory.py
@@ -169,6 +169,7 @@ def _get_remote_file_info(url: str):
     mime_type = mimetypes.guess_type(url)[0] or ""
     file_size = -1
     filename = url.split("/")[-1].split("?")[0] or "unknown_file"
+    mime_type = mime_type or mimetypes.guess_type(filename)[0]
 
     resp = ssrf_proxy.head(url, follow_redirects=True)
     if resp.status_code == httpx.codes.OK: