diff --git a/src/applications/conpherence/query/ConpherenceThreadSearchEngine.php b/src/applications/conpherence/query/ConpherenceThreadSearchEngine.php
--- a/src/applications/conpherence/query/ConpherenceThreadSearchEngine.php
+++ b/src/applications/conpherence/query/ConpherenceThreadSearchEngine.php
@@ -151,7 +151,7 @@
       $icon = id(new PHUIIconView())
         ->setIcon($icon_name);
 
-      if (!strlen($fulltext)) {
+      if (!phutil_nonempty_string($fulltext)) {
         $item = id(new PHUIObjectItemView())
           ->setObjectName($conpherence->getMonogram())
           ->setHeader($title)