diff --git a/core/modules/tour/src/Plugin/tour/tip/TipPluginText.php b/core/modules/tour/src/Plugin/tour/tip/TipPluginText.php
index 268741a83d9..b809a64ee41 100644
--- a/core/modules/tour/src/Plugin/tour/tip/TipPluginText.php
+++ b/core/modules/tour/src/Plugin/tour/tip/TipPluginText.php
@@ -39,6 +39,13 @@ class TipPluginText extends TipPluginBase implements ContainerFactoryPluginInter
    */
   protected $location;
 
+  /**
+   * Unique aria-id.
+   *
+   * @var string
+   */
+  protected $ariaId;
+
   /**
    * Constructs a \Drupal\tour\Plugin\tour\tip\TipPluginText object.
    *
@@ -70,11 +77,10 @@ class TipPluginText extends TipPluginBase implements ContainerFactoryPluginInter
    *   A unique id to be used to generate aria attributes.
    */
   public function getAriaId() {
-    static $id;
-    if (!isset($id)) {
-      $id = Html::getUniqueId($this->get('id'));
+    if (!$this->ariaId) {
+      $this->ariaId = Html::getUniqueId($this->get('id'));
     }
-    return $id;
+    return $this->ariaId;
   }
 
   /**
diff --git a/core/modules/tour/tests/src/Unit/Plugin/tour/tip/TipPluginTextTest.php b/core/modules/tour/tests/src/Unit/Plugin/tour/tip/TipPluginTextTest.php
new file mode 100644
index 00000000000..29ea50e468d
--- /dev/null
+++ b/core/modules/tour/tests/src/Unit/Plugin/tour/tip/TipPluginTextTest.php
@@ -0,0 +1,41 @@
+<?php
+
+namespace Drupal\Tests\tour\Unit\Plugin\tour\tip;
+
+use Drupal\Tests\UnitTestCase;
+use Drupal\tour\Plugin\tour\tip\TipPluginText;
+
+/**
+ * @coversDefaultClass \Drupal\tour\Plugin\tour\tip\TipPluginText
+ * @group tour
+ */
+class TipPluginTextTest extends UnitTestCase {
+
+  /**
+   * Tests that getAriaId returns unique id per plugin instance.
+   *
+   * @see \Drupal\tour\Plugin\tour\tip\TipPluginText::getAriaId()
+   */
+  public function testGetAriaId() {
+    $id_instance_one = $this->getRandomGenerator()->word(4, TRUE);
+    $id_instance_two = $this->getRandomGenerator()->word(4, TRUE);
+    $config_instance_one = [
+      'id' => $id_instance_one,
+    ];
+    $config_instance_two = [
+      'id' => $id_instance_two,
+    ];
+    $definition = [];
+    $plugin_id = 'text';
+    $token = $this->createMock('\Drupal\Core\Utility\Token');
+    $instance_one = new TipPluginText($config_instance_one, $plugin_id, $definition, $token);
+    $instance_two = new TipPluginText($config_instance_two, $plugin_id, $definition, $token);
+    $instance_three = new TipPluginText($config_instance_one, $plugin_id, $definition, $token);
+
+    $this->assertEquals($id_instance_one, $instance_one->getAriaId());
+    $this->assertEquals($id_instance_two, $instance_two->getAriaId());
+    $this->assertNotEquals($instance_one->getAriaId(), $instance_two->getAriaId());
+    $this->assertNotEquals($instance_one->getAriaId(), $instance_three->getAriaId());
+  }
+
+}