diff --git a/py34/url.py b/py34/url.py
index 31125be..8cd534e 100644
--- a/py34/url.py
+++ b/py34/url.py
@@ -2,7 +2,7 @@ from urllib.parse import urlparse, quote_plus
 from os.path import splitext
 
 
-IMAGE_FORMATS = ["jpeg", "jpg", "png", "gif", "mp4", "webm"]
+IMAGE_FORMATS = ["jpeg", "jpg", "png", "gif"]
 VIDEO_FORMATS = ["mp4", "webm"]