diff --git a/r2/r2/lib/filters.py b/r2/r2/lib/filters.py
index 3f5b64efb..bd6f6b8df 100644
--- a/r2/r2/lib/filters.py
+++ b/r2/r2/lib/filters.py
@@ -150,6 +150,7 @@ valid_link_schemes = (
     'mumble://',
     'ssh://',
     'git://',
+    'ts3server://',
 )
 
 class SouptestSaxHandler(ContentHandler):