diff --git a/core/includes/locale.inc b/core/includes/locale.inc
index e2a79b6..1afe588 100644
--- a/core/includes/locale.inc
+++ b/core/includes/locale.inc
@@ -439,7 +439,7 @@ function locale_language_url_rewrite_url(&$path, &$options) {
         if (!empty($domains[$options['language']->langcode])) {
           // Ask for an absolute URL with our modified base_url.
           $options['absolute'] = TRUE;
-          $options['base_url'] = $domains[$options['language']->langcode];
+          $options['base_url'] = 'http://' . $domains[$options['language']->langcode];
         }
         break;