diff --git a/awitpt/netip.pm b/awitpt/netip.pm
index a331f50b76f1d2aaad2be0fddbe8d86da7bcbec9..9dc69553ceb53d6ef6292617b28ae14c7099c9ec 100644
--- a/awitpt/netip.pm
+++ b/awitpt/netip.pm
@@ -27,6 +27,7 @@ package awitpt::netip;
 use strict;
 use warnings;
 
+use Math::BigInt;
 
 # Our current error message
 my $error = "";