diff --git a/CHANGED b/CHANGED
index b7763bbf1..1c77204a6 100644
--- a/CHANGED
+++ b/CHANGED
@@ -1,5 +1,7 @@
 # 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:  74_XiaomiBTLESens: fix Undefined subroutine
+                                &XiaomiBTLESens::makeDeviceName Bug
   - change:  12_HProtocolGateway: moved strapping table csv file to attribute
   - bugfix:  98_WeekdayTimer: restore old Revision; remove Twilight dependency
   - bugfix:  88_HMCCU: Module HttpUtils included
diff --git a/FHEM/74_XiaomiBTLESens.pm b/FHEM/74_XiaomiBTLESens.pm
index 90ba203cd..16ffa6a9f 100644
--- a/FHEM/74_XiaomiBTLESens.pm
+++ b/FHEM/74_XiaomiBTLESens.pm
@@ -35,7 +35,7 @@ package main;
 use strict;
 use warnings;
 
-my $version = "2.4.6";
+my $version = "2.4.7";
 
 sub XiaomiBTLESens_Initialize($) {
 
@@ -111,7 +111,8 @@ BEGIN {
           DoTrigger
           BlockingKill
           BlockingCall
-          FmtDateTime)
+          FmtDateTime
+          makeDeviceName)
     );
 }