diff --git a/public/templates/index.tmpl b/public/templates/index.tmpl
index 214c3ca..06cd6ba 100644
--- a/public/templates/index.tmpl
+++ b/public/templates/index.tmpl
@@ -24,7 +24,7 @@
         }
         var details = item.getElementsByClassName('details')[0];
         var name = details.getElementsByTagName('h3')[0].textContent.toLowerCase();
-        var identifier = details.getElementsByClassName('identifier')[0].textContent.toLowerCase().substring(12); // remove "identifier: "
+        var identifier = details.getElementsByClassName('identifier')[0].textContent.toLowerCase().replace(/^identifier: /, '');
         if (name.indexOf(filter) > -1 || identifier.indexOf(filter) > -1) {
           item.style.display = 'block';
         } else {