diff --git a/fhem/contrib/PRESENCE/presenced b/fhem/contrib/PRESENCE/presenced
index 82720d919..e0672f3fa 100755
--- a/fhem/contrib/PRESENCE/presenced
+++ b/fhem/contrib/PRESENCE/presenced
@@ -34,6 +34,7 @@ use File::Basename;
 use Getopt::Long;
 use threads;
 use threads::shared;
+use Time::HiRes qw(gettimeofday);
 
 use warnings;
 use strict;