diff --git a/core/modules/views/src/Plugin/views/filter/InOperator.php b/core/modules/views/src/Plugin/views/filter/InOperator.php
index 61e3152..1e6682d 100644
--- a/core/modules/views/src/Plugin/views/filter/InOperator.php
+++ b/core/modules/views/src/Plugin/views/filter/InOperator.php
@@ -231,7 +231,7 @@ protected function valueForm(&$form, FormStateInterface $form_state) {
         '#multiple' => TRUE,
         // The value options can be a multidimensional array if the value form
         // type is a select list, so make sure that they are counted correctly.
-        '#size' => count($options, COUNT_RECURSIVE) > 8 ? 8 : count($options, COUNT_RECURSIVE),
+        '#size' => min(count($options, COUNT_RECURSIVE), 8),
       ];
       $user_input = $form_state->getUserInput();
       if ($exposed && !isset($user_input[$identifier])) {