diff --git a/src/applications/diviner/controller/DivinerFindController.php b/src/applications/diviner/controller/DivinerFindController.php
--- a/src/applications/diviner/controller/DivinerFindController.php
+++ b/src/applications/diviner/controller/DivinerFindController.php
@@ -37,7 +37,7 @@
     }
 
     $type = $request->getStr('type');
-    if (strlen($type)) {
+    if (phutil_nonempty_string($type)) {
       $query->withTypes(array($type));
     }