diff --git a/make-block.pl b/make-block.pl
index 1ac0d8a..425eafb 100755
--- a/make-block.pl
+++ b/make-block.pl
@@ -69,7 +69,7 @@ sub read_stripped {
 
 MAIN: {
     my $out;
-    my $block_ip = '0.0.0.0 ::1';
+    my $block_ip = '0.0.0.0 ::';
     my $workdir = $FindBin::RealBin;
 
     unless (&GetOptions(