diff --git a/youtube_dl/extractor/__init__.py b/youtube_dl/extractor/__init__.py
index 9529077c7..697bcab87 100644
--- a/youtube_dl/extractor/__init__.py
+++ b/youtube_dl/extractor/__init__.py
@@ -230,6 +230,7 @@ from .scivee import SciVeeIE
 from .servingsys import ServingSysIE
 from .sina import SinaIE
 from .slideshare import SlideshareIE
+from .slutload import SlutloadIE
 from .smotri import (
     SmotriIE,
     SmotriCommunityIE,