Index: recaptcha.module
===================================================================
--- recaptcha.module	(revision 154)
+++ recaptcha.module	(revision 155)
@@ -101,6 +101,14 @@
           $cache = variable_get('cache', FALSE);
           $conf['cache'] = $cache;
         }
+          // Localization support.
+        global $language;
+        if (isset($language->language)) {
+          // reCAPTCHA uses two-character language codes, so 'pt-br' must be
+          // passed as 'pt' (cf. http://wiki.recaptcha.net/index.php/I18n).
+          $recaptcha_options['lang'] = drupal_substr($language->language, 0, 2);
+          $recaptcha_lang = $recaptcha_options['lang'];
+        }
 
         // Construct the Javascript, but only display it once.
         static $_recaptcha_jsadded = FALSE;
@@ -110,14 +118,6 @@
             'theme' => $recaptcha_theme,
           );
 
-          // Localization support.
-          global $language;
-          if (isset($language->language)) {
-            // reCAPTCHA uses two-character language codes, so 'pt-br' must be
-            // passed as 'pt' (cf. http://wiki.recaptcha.net/index.php/I18n).
-            $recaptcha_options['lang'] = drupal_substr($language->language, 0, 2);
-          }
-
           // Add support to display the custom theme.
           if ($recaptcha_theme == 'custom') {
             $recaptcha_options['custom_theme_widget'] = 'recaptcha_custom_theme_widget';
@@ -153,7 +153,7 @@
             '#type' => 'item',
             '#markup' => '<div id="recaptcha_ajax_api_container">' . $html . '</div>',
           );
-          $js = "(function ($) { $(function() { Recaptcha.create('$recaptcha_public_key', 'recaptcha_ajax_api_container', {theme: '$recaptcha_theme'});});})(jQuery);";
+          $js = "(function ($) { $(function() { Recaptcha.create('$recaptcha_public_key', 'recaptcha_ajax_api_container', {theme: '$recaptcha_theme',lang: '$recaptcha_lang'});});})(jQuery);";
           drupal_add_js('http://api.recaptcha.net/js/recaptcha_ajax.js', array('type' => 'external'));
           drupal_add_js($js, array('type' => 'inline'));
         }