--- Net-ARP/t/arp_lookup.t.orig	2007-01-31 05:33:24.000000000 -0600
+++ Net-ARP/t/arp_lookup.t	2009-10-29 13:07:38.000000000 -0500
@@ -10,7 +10,7 @@
 $mac = Net::ARP::arp_lookup("strange_dev_value","127.0.0.1");
 ok( $mac eq "unknown", "unkown mac on strange dev value -> $mac" );
 
-$mac = Net::ARP::arp_lookup("$fu","127.0.0.1");
+$mac = Net::ARP::arp_lookup("fu","127.0.0.1");
 ok( $mac eq "unknown", "unkown mac on strange dev value 2 -> $mac" );
 
 $mac = Net::ARP::arp_lookup("eth0","this_is_not_an_ip_address");