diff --git a/src/Tests/ParagraphsTranslationTest.php b/src/Tests/ParagraphsTranslationTest.php
index 5b909ab..dc9e752 100644
--- a/src/Tests/ParagraphsTranslationTest.php
+++ b/src/Tests/ParagraphsTranslationTest.php
@@ -324,6 +324,21 @@ class ParagraphsTranslationTest extends WebTestBase {
     // Check that the english translation of the paragraphs is displayed.
     $this->assertFieldByName('field_paragraphs_demo[0][subform][field_text_demo][0][value]', 'english_translation_1');
     $this->assertFieldByName('field_paragraphs_demo[1][subform][field_text_demo][0][value]', 'english_translation_2');
+
+    // Add a new untranslatable field to Text Paragraph type.
+    $edit = [
+      'new_storage_type' => 'text_long',
+      'label' => 'untranslatable_field',
+      'field_name' => 'untranslatable_field',
+    ];
+    $this->drupalPostForm('admin/structure/paragraphs_type/text/fields/add-field', $edit, t('Save and continue'));
+    $this->drupalPostForm(NULL, [], t('Save field settings'));
+    $this->drupalPostForm(NULL, [], t('Save settings'));
+
+    // Attempt to add a translation.
+    $this->drupalGet('node/' . $node->id() . '/translations/add/de/fr');
+    $this->assertNoUniqueText('untranslatable_field (all languages)');
+    $this->assertNoText('Text (all languages)');
   }
 
   /**