diff --git a/retro/sadtalker.py b/retro/sadtalker.py
index 3667ddb..5399422 100644
--- a/retro/sadtalker.py
+++ b/retro/sadtalker.py
@@ -6,7 +6,7 @@
 from functools import lru_cache
 from tempfile import TemporaryDirectory
 import requests
-import random
+from urllib.parse import urlparse
 
 import cv2
 import numpy as np
@@ -151,11 +151,13 @@ def sadtalker(
 ) -> InputOutputVideoMetadata:
     assert len(pipeline.upload_urls) == 1, "Expected exactly 1 upload url"
 
-    face_mime_type = mimetypes.guess_type(inputs.source_image.split("?")[0])[0] or ""
+    face_url_without_query = urlparse(inputs.source_image)._replace(query={}).geturl()
+    face_mime_type = mimetypes.guess_type(face_url_without_query)[0] or ""
     if not ("video/" in face_mime_type or "image/" in face_mime_type):
         raise ValueError(f"Unsupported face format {face_mime_type!r}")
 
-    audio_mime_type = mimetypes.guess_type(inputs.driven_audio.split("?")[0])[0] or ""
+    audio_url_without_query = urlparse(inputs.driven_audio)._replace(query={}).geturl()
+    audio_mime_type = mimetypes.guess_type(audio_url_without_query)[0] or ""
     if not ("audio/" in audio_mime_type or "video/" in audio_mime_type):
         raise ValueError(f"Unsupported audio format {audio_mime_type!r}")