diff --git a/src/Controller/RandomEntityController.php b/src/Controller/RandomEntityController.php
index 4e7ee0cb038730497aa2d54929380b61d7614a39..bbeeb178db36a5722bb8cb276249843214fcb343 100644
--- a/src/Controller/RandomEntityController.php
+++ b/src/Controller/RandomEntityController.php
@@ -75,7 +75,7 @@ class RandomEntityController extends ControllerBase {
 
       }
 
-      $randomOutput = !$output ? $this->renderer->render($output) : '';
+      $randomOutput = !empty($output) ? $this->renderer->render($output) : '';
 
     } catch (\Exception $e) {
       watchdog_exception('random_reference_formatter', $e);