diff --git a/core/modules/locale/src/LocaleConfigManager.php b/core/modules/locale/src/LocaleConfigManager.php
index f2f9d74..e1bb6db 100644
--- a/core/modules/locale/src/LocaleConfigManager.php
+++ b/core/modules/locale/src/LocaleConfigManager.php
@@ -479,7 +479,13 @@ public function hasTranslation($name, $langcode) {
   public function getDefaultConfigLangcode($name) {
     // Config entities that do not have the 'default_config_hash' cannot be
     // shipped configuration regardless of whether there is a name match.
-    if (!\Drupal::service('config.manager')->getEntityTypeIdByName($name) || !empty($this->configFactory->get($name)->get('default_config_hash'))) {
+    // configurable_language entities are a special case since they can be
+    // translated regardless of whether they are shipped if they in the standard
+    // language list.
+    $config_entity_type = \Drupal::service('config.manager')->getEntityTypeIdByName($name);
+    if (!$config_entity_type || $config_entity_type === 'configurable_language'
+      || !empty($this->configFactory->get($name)->get('default_config_hash'))
+    ) {
       $shipped = $this->defaultConfigStorage->read($name);
       if (!empty($shipped)) {
         return !empty($shipped['langcode']) ? $shipped['langcode'] : 'en';