diff --git a/core/modules/rest/src/Plugin/views/style/Serializer.php b/core/modules/rest/src/Plugin/views/style/Serializer.php
index 00286e6..db9b05c 100644
--- a/core/modules/rest/src/Plugin/views/style/Serializer.php
+++ b/core/modules/rest/src/Plugin/views/style/Serializer.php
@@ -135,7 +135,7 @@ public function render() {
     else {
       $content_type = !empty($this->options['formats']) ? reset($this->options['formats']) : 'json';
     }
-    return $this->serializer->serialize($rows, $content_type, array('views_style_plugin' => $this));
+    return $this->serializer->serialize($rows, $content_type, ['views_style_plugin' => $this]);
   }
 
   /**
diff --git a/core/modules/rest/tests/src/Unit/Plugin/views/style/SerializerTest.php b/core/modules/rest/tests/src/Unit/Plugin/views/style/SerializerTest.php
index 9be1cdc..efa708e 100644
--- a/core/modules/rest/tests/src/Unit/Plugin/views/style/SerializerTest.php
+++ b/core/modules/rest/tests/src/Unit/Plugin/views/style/SerializerTest.php
@@ -11,6 +11,7 @@
 use Drupal\rest\Plugin\views\style\Serializer;
 use Drupal\Tests\UnitTestCase;
 use Drupal\views\ViewExecutable;
+use Prophecy\Argument;
 use Symfony\Component\Serializer\SerializerInterface;
 
 /**
@@ -66,8 +67,10 @@ public function testSerializerReceivesOptions() {
 
     // This is the main expectation of the test. We want to make sure the
     // serializer options are passed to the SerializerInterface object.
-    $mock_serializer->serialize([], 'json', ['views_style_plugin' => $mock_serializer])
-      ->willReturn('')
+    $mock_serializer->serialize([], 'json', Argument::that(function ($argument) {
+      return isset($argument['views_style_plugin']) && $argument['views_style_plugin'] instanceof Serializer;
+    }))
+      ->willReturn()
       ->shouldBeCalled();
 
     $view_serializer_style = new Serializer([], 'dummy_serializer', [], $mock_serializer->reveal(), ['json', 'xml']);