diff --git a/xCAT-server/lib/xcat/plugins/dhcp.pm b/xCAT-server/lib/xcat/plugins/dhcp.pm
index 952bbcc85..a183e40d6 100644
--- a/xCAT-server/lib/xcat/plugins/dhcp.pm
+++ b/xCAT-server/lib/xcat/plugins/dhcp.pm
@@ -92,6 +92,7 @@ sub delnode
     {
         my @macs = split(/\|/, $ent->{mac});
         my $mace;
+        my $count = 0;
         foreach $mace (@macs)
         {
             my $mac;