--- Trackback.pm.orig	2008-01-09 06:02:50.000000000 +0900
+++ Trackback.pm	2008-04-06 22:34:41.000000000 +0900
@@ -143,6 +143,7 @@
         $app->config('OneHourMaxPings') <= MT::TBPing->count(
             {
                 blog_id    => $tb->blog_id,
+                ip => $user_ip,
                 created_on => [$from]
             },
             { range => { created_on => 1 } }
@@ -162,6 +163,7 @@
     );
     my $terms = {
         blog_id    => $tb->blog_id,
+        ip => $user_ip,
         created_on => [$from]
     };
     my $count = MT::TBPing->count( $terms, { range => { created_on => 1 } } );