diff --git a/OpenChange/MAPIStoreCalendarMessage.m b/OpenChange/MAPIStoreCalendarMessage.m
index 6aea0687a..afdbb98b0 100644
--- a/OpenChange/MAPIStoreCalendarMessage.m
+++ b/OpenChange/MAPIStoreCalendarMessage.m
@@ -210,12 +210,12 @@ static Class NSArrayK;
 - (int) getPidTagMessageClass: (void **) data
                      inMemCtx: (TALLOC_CTX *) memCtx
 {
-  // SOGoUser *owner;
+  SOGoUser *owner;
 
-  // owner = [[self userContext] sogoUser];
-  // if ([masterEvent userAsAttendee: owner])
-  //   *data = talloc_strdup (memCtx, "IPM.Schedule.Meeting.Request");
-  // else
+  owner = [[self userContext] sogoUser];
+  if ([masterEvent userAsAttendee: owner])
+    *data = talloc_strdup (memCtx, "IPM.Schedule.Meeting.Request");
+  else
     *data = talloc_strdup (memCtx, "IPM.Appointment");
 
   return MAPISTORE_SUCCESS;