diff --git a/foltor/foltor.coffee b/foltor/foltor.coffee
index 77a361888..dac73ed9a 100644
--- a/foltor/foltor.coffee
+++ b/foltor/foltor.coffee
@@ -145,7 +145,7 @@ filterThread: (thread, filter) ->
             when 'Name'
                 s: $('span.postername', thread).textContent
             when 'Tripcode'
-                s: x('./span[@class="postertrip]', thread)?.textContent || ''
+                s: x('./span[@class="postertrip"]', thread)?.textContent || ''
             when 'Email'
                 s: (x('./a[@class="linkmail"]', thread)?.href.slice(7)) || ''
             when 'Subject'
diff --git a/foltor/foltor.js b/foltor/foltor.js
index 97712df5b..8e73ae5e7 100644
--- a/foltor/foltor.js
+++ b/foltor/foltor.js
@@ -173,7 +173,7 @@ display: none; \
       if (field === 'Name') {
         s = $('span.postername', thread).textContent;
       } else if (field === 'Tripcode') {
-        s = ((_b = x('./span[@class="postertrip]', thread)) == undefined ? undefined : _b.textContent) || '';
+        s = ((_b = x('./span[@class="postertrip"]', thread)) == undefined ? undefined : _b.textContent) || '';
       } else if (field === 'Email') {
         s = ((_c = x('./a[@class="linkmail"]', thread)) == undefined ? undefined : _c.href.slice(7)) || '';
       } else if (field === 'Subject') {