diff --git a/lib/Cake/I18n/L10n.php b/lib/Cake/I18n/L10n.php
index 7e57a36fb..a87be16c0 100644
--- a/lib/Cake/I18n/L10n.php
+++ b/lib/Cake/I18n/L10n.php
@@ -272,6 +272,7 @@ class L10n {
 		'hy' => array('language' => 'Armenian - Armenia', 'locale' => 'hye', 'localeFallback' => 'hye', 'charset' => 'utf-8', 'direction' => 'ltr'),
 		'id' => array('language' => 'Indonesian', 'locale' => 'ind', 'localeFallback' => 'ind', 'charset' => 'utf-8', 'direction' => 'ltr'),
 		'is' => array('language' => 'Icelandic', 'locale' => 'isl', 'localeFallback' => 'isl', 'charset' => 'utf-8', 'direction' => 'ltr'),
+		'is-is' => array('language' => 'Icelandic (Iceland)', 'locale' => 'is_is', 'localeFallback' => 'isl', 'charset' => 'utf-8', 'direction' => 'ltr'),
 		'it' => array('language' => 'Italian', 'locale' => 'ita', 'localeFallback' => 'ita', 'charset' => 'utf-8', 'direction' => 'ltr'),
 		'it-ch' => array('language' => 'Italian (Swiss) ', 'locale' => 'it_ch', 'localeFallback' => 'ita', 'charset' => 'utf-8', 'direction' => 'ltr'),
 		'ja' => array('language' => 'Japanese', 'locale' => 'jpn', 'localeFallback' => 'jpn', 'charset' => 'utf-8', 'direction' => 'ltr'),