diff --git a/ChangeLog b/ChangeLog
index ca1f54155..59acc4d64 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2007-04-24  Wolfgang Sourdeau  <wsourdeau@inverse.ca>
 
+	* SoObjects/Appointments/SOGoAppointmentFolder.m
+	([SOGoAppointmentFolder -defaultAclRoles]): new overriden method
+	that defines default roles for new elements in the acl.
+
 	* UI/Scheduler/UIxCalUserRightsEditor.[hm]: new component class
 	module and subclass of UIxUserRightsEditor specific to the
 	handling of user rights on calendar folders.
diff --git a/SoObjects/Appointments/SOGoAppointmentFolder.m b/SoObjects/Appointments/SOGoAppointmentFolder.m
index 542cbb51e..1dd53077a 100644
--- a/SoObjects/Appointments/SOGoAppointmentFolder.m
+++ b/SoObjects/Appointments/SOGoAppointmentFolder.m
@@ -1216,4 +1216,13 @@ static NSNumber   *sharedYes = nil;
   return @"IPF.Appointment";
 }
 
+/* acls */
+- (NSArray *) defaultAclRoles
+{
+  return [NSArray arrayWithObjects:
+		    SOGoCalendarRole_PublicViewer,
+		  SOGoCalendarRole_PrivateDAndTViewer,
+		  nil];
+}
+
 @end /* SOGoAppointmentFolder */