diff --git a/FHEM/50_HP1000.pm b/FHEM/50_HP1000.pm
index 85fbb3be8..fff0f913e 100755
--- a/FHEM/50_HP1000.pm
+++ b/FHEM/50_HP1000.pm
@@ -3,6 +3,7 @@
 package main;
 use strict;
 use warnings;
+no if $] >= 5.017011, warnings => 'experimental::smartmatch';
 use Data::Dumper;
 use Time::Local;
 use Encode qw(encode_utf8 decode_utf8);
@@ -11,6 +12,7 @@ use List::Util qw(sum);
 use HttpUtils;
 use Unit;
 
+
 # module hashes ###############################################################
 my %HP1000_pwsMapping = (