diff --git a/trac/conf/trac.ini b/trac/conf/trac.ini
index 7d8963e..ff777c7 100644
--- a/trac/conf/trac.ini
+++ b/trac/conf/trac.ini
@@ -28,6 +28,7 @@ tracpaste.db.* = enabled
 tracpaste.db.tracpastesetup = enabled
 tracpaste.model.* = enabled
 buildbot.* = enabled
+WikiTicketCalendarMacro.* = enabled
 
 [header_logo]
 alt =