diff --git a/CHANGES.txt b/CHANGES.txt
index cd15295..3a7ce71 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -22,9 +22,6 @@ Changelog
 - Avoid sending multiple notification emails to the same person when
   he has commented multiple times.
   [maurits]
-
-- Disable discussion by default.
-  [timo]
   
 - Move discussion action item from actionicons.xml to actions.xml to avoid 
   deprecation warning.
diff --git a/plone/app/discussion/interfaces.py b/plone/app/discussion/interfaces.py
index bfdf1a7..1259c0c 100644
--- a/plone/app/discussion/interfaces.py
+++ b/plone/app/discussion/interfaces.py
@@ -29,7 +29,7 @@ class IDiscussionSettings(Interface):
                          "specific content types, folders or content objects "
                          "before users will be able to post comments."),
         required=False,
-        default=False,
+        default=True,
         )
 
     anonymous_comments = schema.Bool(