diff --git a/core/modules/views/src/Plugin/Derivative/ViewsBlock.php b/core/modules/views/src/Plugin/Derivative/ViewsBlock.php
index 7db35d9..6b5f9c5 100644
--- a/core/modules/views/src/Plugin/Derivative/ViewsBlock.php
+++ b/core/modules/views/src/Plugin/Derivative/ViewsBlock.php
@@ -120,7 +120,7 @@ public function getDerivativeDefinitions($base_plugin_definition) {
           if ($arguments = $display->getOption('arguments')) {
             foreach ($arguments as $argument_name => $argument) {
               if (!empty($argument['specify_validation'])) {
-                if (!isset($argument['validate'])) {
+                if (empty($argument['validate']['type'])) {
                   continue;
                 }
                 if (strpos($argument['validate']['type'], 'entity:') !== FALSE) {