diff --git a/languagefield.module b/languagefield.module
index 4f10c5f..200b907 100644
--- a/languagefield.module
+++ b/languagefield.module
@@ -604,6 +604,10 @@ function _languagefield_options($subsets = NULL, $langcode = LANGUAGE_NONE) {
     }
   }
   asort($languages);
+
+  // Let other modules change the default sort.
+  drupal_alter('languagefield_options', $languages, $subsets, $langcode);
+
   return $languages;
 }