diff --git a/common/locale/en-US/options.xml b/common/locale/en-US/options.xml
index e2f39f58..db38b649 100644
--- a/common/locale/en-US/options.xml
+++ b/common/locale/en-US/options.xml
@@ -1060,6 +1060,7 @@
           mxr.mozilla.org:a.l,
           pastebin.com:#code_frame>div>ol>li,
           addons.mozilla.org:.gutter>.line>a,
+          bugzilla.mozilla.org:.bz_comment:not(.bz_first_comment):not(.ih_history),
           *:'/* Hgweb/Gitweb */ .completecodeline a.codeline, a.linenr']]></default>
     <description>
         <p>
diff --git a/common/modules/buffer.jsm b/common/modules/buffer.jsm
index 7459bbb4..57e28615 100644
--- a/common/modules/buffer.jsm
+++ b/common/modules/buffer.jsm
@@ -2246,6 +2246,7 @@ var Buffer = Module("Buffer", {
                 "mxr.mozilla.org": 'a.l',
                 "pastebin.com": '#code_frame>div>ol>li',
                 "addons.mozilla.org": '.gutter>.line>a',
+                "bugzilla.mozilla.org": ".bz_comment:not(.bz_first_comment):not(.ih_history)",
                 "*": '/* Hgweb/Gitweb */ .completecodeline a.codeline, a.linenr'
             },
             {