diff --git a/core/modules/views/src/Plugin/views/filter/FilterPluginBase.php b/core/modules/views/src/Plugin/views/filter/FilterPluginBase.php
index aaaede0..f3fc03a 100644
--- a/core/modules/views/src/Plugin/views/filter/FilterPluginBase.php
+++ b/core/modules/views/src/Plugin/views/filter/FilterPluginBase.php
@@ -758,7 +758,7 @@ public function groupForm(&$form, FormStateInterface $form_state) {
       }
     }
 
-    if (count($groups)) {
+    if (!empty($groups)) {
       $value = $this->options['group_info']['identifier'];
 
       $form[$value] = array(