diff --git a/core/modules/comment/src/CommentStorage.php b/core/modules/comment/src/CommentStorage.php
index defb849..945ff9d 100644
--- a/core/modules/comment/src/CommentStorage.php
+++ b/core/modules/comment/src/CommentStorage.php
@@ -188,7 +188,9 @@ public function getNewCommentPageNumber($total_comments, $new_comments, ContentE
       $count = $this->database->query('SELECT COUNT(*) FROM {comment_field_data} WHERE entity_id = :entity_id
                         AND entity_type = :entity_type
                         AND field_name = :field_name
-                        AND status = :status AND SUBSTRING(thread, 1, (LENGTH(thread) - 1)) < :thread', array(
+                        AND status = :status
+                        AND SUBSTRING(thread, 1, (LENGTH(thread) - 1)) < :thread
+                        AND default_langcode = 1', array(
         ':status' => CommentInterface::PUBLISHED,
         ':entity_id' => $entity->id(),
         ':field_name' => $field_name,
diff --git a/core/modules/comment/src/Entity/Comment.php b/core/modules/comment/src/Entity/Comment.php
index 46ffe6b..fb9d6a1 100644
--- a/core/modules/comment/src/Entity/Comment.php
+++ b/core/modules/comment/src/Entity/Comment.php
@@ -282,7 +282,6 @@ public static function baseFieldDefinitions(EntityTypeInterface $entity_type) {
     $fields['thread'] = FieldDefinition::create('string')
       ->setLabel(t('Thread place'))
       ->setDescription(t("The alphadecimal representation of the comment's place in a thread, consisting of a base 36 string prefixed by an integer indicating its length."))
-      ->setTranslatable(TRUE)
       ->setSetting('max_length', 255);
 
     $fields['entity_type'] = FieldDefinition::create('string')
diff --git a/core/modules/content_translation/src/Tests/ContentTranslationSettingsTest.php b/core/modules/content_translation/src/Tests/ContentTranslationSettingsTest.php
index d0c3d19..e72aa47 100644
--- a/core/modules/content_translation/src/Tests/ContentTranslationSettingsTest.php
+++ b/core/modules/content_translation/src/Tests/ContentTranslationSettingsTest.php
@@ -78,7 +78,6 @@ function testSettingsUI() {
       'settings[comment][comment_article][fields][name]' => FALSE,
       'settings[comment][comment_article][fields][status]' => FALSE,
       'settings[comment][comment_article][fields][subject]' => FALSE,
-      'settings[comment][comment_article][fields][thread]' => FALSE,
       'settings[comment][comment_article][fields][uid]' => FALSE,
     );
     $this->assertSettings('comment', 'comment_article', FALSE, $edit);