diff --git a/core/profiles/demo_umami/config/install/field.field.block_content.banner_block.field_banner_image.yml b/core/profiles/demo_umami/config/install/field.field.block_content.banner_block.field_banner_image.yml
index 4778eb7e7f..5fa7da54cc 100644
--- a/core/profiles/demo_umami/config/install/field.field.block_content.banner_block.field_banner_image.yml
+++ b/core/profiles/demo_umami/config/install/field.field.block_content.banner_block.field_banner_image.yml
@@ -22,7 +22,7 @@ settings:
   max_filesize: ''
   max_resolution: ''
   min_resolution: ''
-  alt_field: false
+  alt_field: true
   alt_field_required: true
   title_field: false
   title_field_required: false
diff --git a/core/profiles/demo_umami/modules/demo_umami_content/src/InstallHelper.php b/core/profiles/demo_umami/modules/demo_umami_content/src/InstallHelper.php
index d3c55b4b48..73b0484cd3 100644
--- a/core/profiles/demo_umami/modules/demo_umami_content/src/InstallHelper.php
+++ b/core/profiles/demo_umami/modules/demo_umami_content/src/InstallHelper.php
@@ -310,6 +310,7 @@ protected function importBlockContent() {
         ],
         'field_banner_image' => [
           'target_id' => $this->createFileEntity($module_path . '/default_content/images/veggie-pasta-bake-hero-umami.jpg'),
+          'alt' => 'Mouth watering vegetarian pasta bake with rich tomato sauce and cheese toppings',
         ],
       ],
     ];
diff --git a/core/profiles/demo_umami/modules/demo_umami_content/tests/src/Functional/UninstallDefaultContentTest.php b/core/profiles/demo_umami/modules/demo_umami_content/tests/src/Functional/UninstallDefaultContentTest.php
index 76a5d7cebb..6187da1ab6 100644
--- a/core/profiles/demo_umami/modules/demo_umami_content/tests/src/Functional/UninstallDefaultContentTest.php
+++ b/core/profiles/demo_umami/modules/demo_umami_content/tests/src/Functional/UninstallDefaultContentTest.php
@@ -99,6 +99,8 @@ protected function assertImportedCustomBlock(EntityStorageInterface $block_stora
     $assert = $this->assertSession();
     $this->drupalGet('/recipes');
     $assert->pageTextContains('Super easy vegetarian pasta bake');
+    $img_alt_text = $assert->elementExists('xpath', '//*[@id="block-umami-banner-recipes"]/div/div[1]/img')->getAttribute('alt');
+    $this->assertEquals('Mouth watering vegetarian pasta bake with rich tomato sauce and cheese toppings', $img_alt_text, 'Image alt is matching');
 
     $count = $block_storage->getQuery()
       ->condition('type', 'banner_block')