diff --git a/src/applications/console/controller/DarkConsoleController.php b/src/applications/console/controller/DarkConsoleController.php
index 3c4f82feba..e532fd7657 100644
--- a/src/applications/console/controller/DarkConsoleController.php
+++ b/src/applications/console/controller/DarkConsoleController.php
@@ -35,7 +35,7 @@ final class DarkConsoleController extends PhabricatorController {
     }
 
     $tab = $request->getStr('tab');
-    if (strlen($tab)) {
+    if (phutil_nonempty_string($tab)) {
       $this->writeDarkConsoleSetting(
         PhabricatorDarkConsoleTabSetting::SETTINGKEY,
         $tab);