diff --git a/fhem/CHANGED b/fhem/CHANGED
index 0010f8e98..53d96b9a7 100644
--- a/fhem/CHANGED
+++ b/fhem/CHANGED
@@ -1,5 +1,6 @@
 # Add changes at the top of the list. Keep it in ASCII, and 80-char wide.
 # Do not insert empty lines here, update check depends on it.
+  - bugfix:  20_ROOMMATE,20_GUEST: Fixed wakeuptimer <> at-device sync
   - feature  93_DbRep: current_year_begin, previous_year_begin, 
                        current_year_end, previous_year_end added as possible 
                        values for timestmp attribute,