diff --git a/youtube_dl/extractor/__init__.py b/youtube_dl/extractor/__init__.py
index 079221567..b07c0b4cc 100644
--- a/youtube_dl/extractor/__init__.py
+++ b/youtube_dl/extractor/__init__.py
@@ -427,6 +427,7 @@ from .vporn import VpornIE
 from .vube import VubeIE
 from .vuclip import VuClipIE
 from .vulture import VultureIE
+from .walla import WallaIE
 from .washingtonpost import WashingtonPostIE
 from .wat import WatIE
 from .wayofthemaster import WayOfTheMasterIE