diff --git a/core/modules/field/lib/Drupal/field/Plugin/Type/Widget/WidgetPluginManager.php b/core/modules/field/lib/Drupal/field/Plugin/Type/Widget/WidgetPluginManager.php
index d0410e0..a605129 100644
--- a/core/modules/field/lib/Drupal/field/Plugin/Type/Widget/WidgetPluginManager.php
+++ b/core/modules/field/lib/Drupal/field/Plugin/Type/Widget/WidgetPluginManager.php
@@ -9,6 +9,7 @@
 
 use Drupal\Component\Plugin\PluginManagerBase;
 use Drupal\Core\Plugin\Discovery\CacheDecorator;
+use Drupal\Core\Plugin\Discovery\AlterDecorator;
 use Drupal\Core\Plugin\Discovery\AnnotatedClassDiscovery;
 use Drupal\field\Plugin\Type\Widget\WidgetLegacyDiscoveryDecorator;
 
@@ -44,7 +45,7 @@ class WidgetPluginManager extends PluginManagerBase {
    * Constructs a WidgetPluginManager object.
    */
   public function __construct() {
-    $this->baseDiscovery = new WidgetLegacyDiscoveryDecorator(new AnnotatedClassDiscovery('field', 'widget'));
+    $this->baseDiscovery = new AlterDecorator(new WidgetLegacyDiscoveryDecorator(new AnnotatedClassDiscovery('field', 'widget')), 'field_widget_info');
     $this->discovery = new CacheDecorator($this->baseDiscovery, $this->cache_id, $this->cache_bin);
 
     $this->factory = new WidgetFactory($this);
diff --git a/core/modules/field/lib/Drupal/field/Tests/WidgetTest.php b/core/modules/field/lib/Drupal/field/Tests/WidgetTest.php
new file mode 100644
index 0000000..db81335
--- /dev/null
+++ b/core/modules/field/lib/Drupal/field/Tests/WidgetTest.php
@@ -0,0 +1,45 @@
+<?php
+
+/**
+ * @file
+ * Definition of Drupal\field\Tests\WidgetTest.
+ */
+
+namespace Drupal\field\Tests;
+
+use Drupal\field\FieldException;
+use Exception;
+
+/**
+ * Tests the functionality of field widgets.
+ */
+class WidgetTest extends FieldTestBase {
+
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
+  public static $modules = array('options', 'taxonomy');
+
+  public static function getInfo() {
+    return array(
+      'name' => 'Field Widget tests',
+      'description' => 'Test field widgets.',
+      'group' => 'Field API',
+    );
+  }
+
+  /**
+   * Test the definitions of a widget.
+   */
+  function testWidgetDefinitions() {
+
+    $widget_definition = field_get_plugin_manager('widget')->getDefinition('options_select');
+
+    // Test if hook_field_widget_info_alter is beïng called.
+    $this->assertTrue(in_array('taxonomy_term_reference', $widget_definition['field types']), 'hook_field_widget_info_alter is beïng called');
+
+  }
+
+}