diff --git a/fhem/MAINTAINER.txt b/fhem/MAINTAINER.txt
index 02672486a..20a1a5ca0 100644
--- a/fhem/MAINTAINER.txt
+++ b/fhem/MAINTAINER.txt
@@ -629,6 +629,7 @@ lib/FHEM/SynoModules/API.pm      DS_Starter       Sonstiges
 lib/FHEM/SynoModules/SMUtils.pm  DS_Starter       Sonstiges
 lib/FHEM/SynoModules/ErrCodes.pm DS_Starter       Sonstiges
 lib/FHEM/Text/Unicode.pm         Adimarantis      FHEM Development
+lib/FHEM/Utility/CTZ.pm          DS_Starter       Sonstiges
 
 contrib/sacha_gloor/*        rudolfkoenig/orphan  Sonstiges
 contrib/70_ONKYO_AVR_PULL.pm loredo               (deprecated)