1 files changed, 2 insertions, 0 deletions
diff --git a/boot.php b/boot.php
index 4223a57f3..7dd52069f 100755
--- a/boot.php
+++ b/boot.php
@@ -450,6 +450,8 @@ define ( 'NAMESPACE_FEED',            'http://schemas.google.com/g/2010#updates-
 define ( 'NAMESPACE_OSTATUS',         'http://ostatus.org/schema/1.0' );
 define ( 'NAMESPACE_STATUSNET',       'http://status.net/schema/api/1/' );
 define ( 'NAMESPACE_ATOM1',           'http://www.w3.org/2005/Atom' );
+define ( 'NAMESPACE_YMEDIA',          'http://search.yahoo.com/mrss/' );
+
 /**
  * activity stream defines
  */