diff --git a/youtube_dl/extractor/movshare.py b/youtube_dl/extractor/movshare.py
index bb2ae6d05..4191cf7a0 100644
--- a/youtube_dl/extractor/movshare.py
+++ b/youtube_dl/extractor/movshare.py
@@ -7,7 +7,7 @@ class MovShareIE(NovaMovIE):
     IE_NAME = 'movshare'
     IE_DESC = 'MovShare'
 
-    _VALID_URL = NovaMovIE._VALID_URL_TEMPLATE % {'host': 'movshare\.(?:net|sx)'}
+    _VALID_URL = NovaMovIE._VALID_URL_TEMPLATE % {'host': 'movshare\.(?:net|sx|ag)'}
 
     _HOST = 'www.movshare.net'