--- lib/Net/SNPP/Server.pm.orig	2016-08-13 23:59:45.000000000 -0700
+++ lib/Net/SNPP/Server.pm	2016-08-14 00:07:27.000000000 -0700
@@ -7,7 +7,7 @@
 use Fcntl qw(:flock);
 use Carp;
 use vars qw( @ISA $counter );
-@ISA = qw( IO::Handle Net::Cmd );
+@ISA = qw( IO::Handle Net::Cmd IO::Socket::INET );
 $counter = 0;
 
 =head1 NAME