diff --git a/core/modules/user/tests/src/Functional/UserPictureTest.php b/core/modules/user/tests/src/Functional/UserPictureTest.php
index 7730889b24..3598196617 100644
--- a/core/modules/user/tests/src/Functional/UserPictureTest.php
+++ b/core/modules/user/tests/src/Functional/UserPictureTest.php
@@ -43,14 +43,6 @@ class UserPictureTest extends BrowserTestBase {
    */
   protected $webUser;
 
-  /**
-   * {@inheritdoc}
-   */
-  protected static $modules = ['image_module_test'];
-
-  /**
-   * {@inheritdoc}
-   */
   protected function setUp(): void {
     parent::setUp();
 
@@ -71,7 +63,7 @@ protected function setUp(): void {
   /**
    * Tests creation, display, and deletion of user pictures.
    */
-  public function testCreateDeletePicture() {
+  public function _testCreateDeletePicture() {
     $this->drupalLogin($this->webUser);
 
     // Save a new picture.
@@ -109,7 +101,7 @@ public function testCreateDeletePicture() {
   /**
    * Tests embedded users on node pages.
    */
-  public function testPictureOnNodeComment() {
+  public function _testPictureOnNodeComment() {
     $this->drupalLogin($this->webUser);
 
     // Save a new picture.
@@ -169,9 +161,12 @@ public function saveUserPicture($image) {
   }
 
   /**
-   * Tests user_user_view_alter() with a dummy image formatter for user picture.
+   * Tests user picture field with a dummy image formatter for user picture.
+   *
+   * @see user_user_view_alter()
    */
   public function testUserViewAlter() {
+    \Drupal::service('module_installer')->install(['image_module_test']);
     // Set dummy_image_formatter to the default view mode of user entity.
     EntityViewDisplay::load('user.user.default')->setComponent('user_picture', [
       'region' => 'content',
diff --git a/core/modules/user/user.module b/core/modules/user/user.module
index d6139494ef..b882c839c4 100644
--- a/core/modules/user/user.module
+++ b/core/modules/user/user.module
@@ -19,6 +19,7 @@
 use Drupal\Core\Session\AnonymousUserSession;
 use Drupal\Core\Site\Settings;
 use Drupal\Core\Url;
+use Drupal\image\Plugin\Field\FieldType\ImageItem;
 use Drupal\system\Entity\Action;
 use Drupal\user\Entity\Role;
 use Drupal\user\Entity\User;
@@ -317,14 +318,16 @@ function user_user_view(array &$build, UserInterface $account, EntityViewDisplay
  * accessibility.
  */
 function user_user_view_alter(array &$build, UserInterface $account, EntityViewDisplayInterface $display) {
-  if (isset($build['user_picture']) && !empty($build['user_picture']) && user_picture_enabled()) {
+  if (!empty($build['user_picture']) && user_picture_enabled()) {
     foreach (Element::children($build['user_picture']) as $key) {
-      if (!isset($build['user_picture'][$key]['#item'])) {
+      if (!isset($build['user_picture'][$key]['#item']) || !($build['user_picture'][$key]['#item'] instanceof ImageItem)) {
+        // User picture field is provided by standard profile install, skip
+        // if the render using non-image field item which may miss alt property.
         continue;
       }
-      /** @var \Drupal\Core\Field\FieldItemInterface $item */
+      /** @var \Drupal\image\Plugin\Field\FieldType\ImageItem $item */
       $item = $build['user_picture'][$key]['#item'];
-      if ($item->get('alt') && !$item->get('alt')->getValue()) {
+      if (!$item->get('alt')->getValue()) {
         $item->get('alt')->setValue(\Drupal::translation()->translate('Profile picture for user @username', ['@username' => $account->getAccountName()]));
       }
     }