diff --git a/ChangeLog b/ChangeLog
index fc5bbddb7..a04e500dd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2012-02-14  Wolfgang Sourdeau  <wsourdeau@inverse.ca>
+
+	* OpenChange/MAPIStoreCalendarMessage.m
+	(-subscriberCanReadMessage): returns YES when the current role is
+	ComponentDAndTViewer too.
+
 2012-02-13  Wolfgang Sourdeau  <wsourdeau@inverse.ca>
 
 	* UI/WebServerResources/JavascriptAPIExtensions.js
diff --git a/OpenChange/MAPIStoreCalendarMessage.m b/OpenChange/MAPIStoreCalendarMessage.m
index a27ae244c..5c491bf5e 100644
--- a/OpenChange/MAPIStoreCalendarMessage.m
+++ b/OpenChange/MAPIStoreCalendarMessage.m
@@ -627,8 +627,12 @@
 
 - (BOOL) subscriberCanReadMessage
 {
-  return ([[self activeUserRoles]
-            containsObject: SOGoCalendarRole_ComponentViewer]
+  NSArray *roles;
+
+  roles = [self activeUserRoles];
+
+  return ([roles containsObject: SOGoCalendarRole_ComponentViewer]
+          || [roles containsObject: SOGoCalendarRole_ComponentDAndTViewer]
           || [self subscriberCanModifyMessage]);
 }