diff --git a/core/modules/language/src/Entity/ConfigurableLanguage.php b/core/modules/language/src/Entity/ConfigurableLanguage.php
index 7279a15..ecc1e1b 100644
--- a/core/modules/language/src/Entity/ConfigurableLanguage.php
+++ b/core/modules/language/src/Entity/ConfigurableLanguage.php
@@ -124,7 +124,9 @@ public function preSave(EntityStorageInterface $storage) {
     // When adding a new language the weight shouldn't be zero to avoid a
     // reordering of the languages list when their names change i.e. interface
     // translation.
-    $languages = \Drupal::languageManager()->getLanguages();
+    // Fetch all configurable languages ordered by weight.
+    $languages = \Drupal::languageManager()->getLanguages($this::STATE_CONFIGURABLE);
+    // Retrieve the last.
     $last_language = end($languages);
     // When adding the first Configurable language leave the weight by default.
     // This happens when you are installing language module.