diff --git a/fhem/FHEM/98_RandomTimer.pm b/fhem/FHEM/98_RandomTimer.pm
index 6104a938f..adff7861e 100644
--- a/fhem/FHEM/98_RandomTimer.pm
+++ b/fhem/FHEM/98_RandomTimer.pm
@@ -30,6 +30,7 @@ use strict;
 use warnings;
 use IO::Socket;
 use Time::HiRes qw(gettimeofday);
+use Time::Local 'timelocal_nocheck';
 
 sub RandomTimer_stopTimeReached($);
 sub schaltZeitenErmitteln ($$);