diff --git a/lib/Cake/I18n/L10n.php b/lib/Cake/I18n/L10n.php
index 275cb4c5f7f..6e432c72618 100644
--- a/lib/Cake/I18n/L10n.php
+++ b/lib/Cake/I18n/L10n.php
@@ -105,8 +105,8 @@ class L10n {
 		/* Czech */ 'cze' => 'cs',
 		/* Czech */ 'ces' => 'cs',
 		/* Danish */ 'dan' => 'da',
-		/* Dutch (Standard) */ 'dut' => 'nl',
 		/* Dutch (Standard) */ 'nld' => 'nl',
+		/* Dutch (Standard) */ 'dut' => 'nl',
 		/* English */ 'eng' => 'en',
 		/* Estonian */ 'est' => 'et',
 		/* Faeroese */ 'fao' => 'fo',
@@ -280,10 +280,10 @@ class L10n {
 		'mk-mk' => array('language' => 'Macedonian', 'locale' => 'mk_mk', 'localeFallback' => 'mac', 'charset' => 'utf-8', 'direction' => 'ltr'),
 		'ms' => array('language' => 'Malaysian', 'locale' => 'may', 'localeFallback' => 'may', 'charset' => 'utf-8', 'direction' => 'ltr'),
 		'mt' => array('language' => 'Maltese', 'locale' => 'mlt', 'localeFallback' => 'mlt', 'charset' => 'utf-8', 'direction' => 'ltr'),
-		'n' => array('language' => 'Dutch (Standard)', 'locale' => 'dut', 'localeFallback' => 'dut', 'charset' => 'utf-8', 'direction' => 'ltr'),
+		'n' => array('language' => 'Dutch (Standard)', 'locale' => 'nld', 'localeFallback' => 'nld', 'charset' => 'utf-8', 'direction' => 'ltr'),
 		'nb' => array('language' => 'Norwegian Bokmal', 'locale' => 'nob', 'localeFallback' => 'nor', 'charset' => 'utf-8', 'direction' => 'ltr'),
-		'nl' => array('language' => 'Dutch (Standard)', 'locale' => 'dut', 'localeFallback' => 'dut', 'charset' => 'utf-8', 'direction' => 'ltr'),
-		'nl-be' => array('language' => 'Dutch (Belgium)', 'locale' => 'nl_be', 'localeFallback' => 'dut', 'charset' => 'utf-8', 'direction' => 'ltr'),
+		'nl' => array('language' => 'Dutch (Standard)', 'locale' => 'nld', 'localeFallback' => 'nld', 'charset' => 'utf-8', 'direction' => 'ltr'),
+		'nl-be' => array('language' => 'Dutch (Belgium)', 'locale' => 'nl_be', 'localeFallback' => 'nld', 'charset' => 'utf-8', 'direction' => 'ltr'),
 		'nn' => array('language' => 'Norwegian Nynorsk', 'locale' => 'nno', 'localeFallback' => 'nor', 'charset' => 'utf-8', 'direction' => 'ltr'),
 		'no' => array('language' => 'Norwegian', 'locale' => 'nor', 'localeFallback' => 'nor', 'charset' => 'utf-8', 'direction' => 'ltr'),
 		'p' => array('language' => 'Polish', 'locale' => 'pol', 'localeFallback' => 'pol', 'charset' => 'utf-8', 'direction' => 'ltr'),
diff --git a/lib/Cake/Test/Case/I18n/L10nTest.php b/lib/Cake/Test/Case/I18n/L10nTest.php
index d52c3a60de0..e34e97ab404 100644
--- a/lib/Cake/Test/Case/I18n/L10nTest.php
+++ b/lib/Cake/Test/Case/I18n/L10nTest.php
@@ -186,17 +186,21 @@ public function testMap() {
 		$this->assertEquals($expected, $result);
 
 		$result = $localize->map(array('dut', 'nl'));
-		$expected = array('dut' => 'nl', 'nl' => 'dut');
+		$expected = array('dut' => 'nl', 'nl' => 'nld');
 		$this->assertEquals($expected, $result);
 
 		$result = $localize->map(array('nld', 'nl'));
-		$expected = array('nld' => 'nl', 'nl' => 'dut');
+		$expected = array('nld' => 'nl', 'nl' => 'nld');
 		$this->assertEquals($expected, $result);
 
 		$result = $localize->map(array('nld'));
 		$expected = array('nld' => 'nl');
 		$this->assertEquals($expected, $result);
 
+		$result = $localize->map(array('dut'));
+		$expected = array('dut' => 'nl');
+		$this->assertEquals($expected, $result);
+
 		$result = $localize->map(array('eng', 'en'));
 		$expected = array('eng' => 'en', 'en' => 'eng');
 		$this->assertEquals($expected, $result);
@@ -740,22 +744,22 @@ public function testCatalog() {
 
 		$result = $localize->catalog(array('n', 'nl', 'nl-be'));
 		$expected = array(
-			'n' => array('language' => 'Dutch (Standard)', 'locale' => 'dut', 'localeFallback' => 'dut', 'charset' => 'utf-8', 'direction' => 'ltr'),
-			'nl' => array('language' => 'Dutch (Standard)', 'locale' => 'dut', 'localeFallback' => 'dut', 'charset' => 'utf-8', 'direction' => 'ltr'),
-			'nl-be' => array('language' => 'Dutch (Belgium)', 'locale' => 'nl_be', 'localeFallback' => 'dut', 'charset' => 'utf-8', 'direction' => 'ltr')
+			'n' => array('language' => 'Dutch (Standard)', 'locale' => 'nld', 'localeFallback' => 'nld', 'charset' => 'utf-8', 'direction' => 'ltr'),
+			'nl' => array('language' => 'Dutch (Standard)', 'locale' => 'nld', 'localeFallback' => 'nld', 'charset' => 'utf-8', 'direction' => 'ltr'),
+			'nl-be' => array('language' => 'Dutch (Belgium)', 'locale' => 'nl_be', 'localeFallback' => 'nld', 'charset' => 'utf-8', 'direction' => 'ltr')
 		);
 		$this->assertEquals($expected, $result);
 
 		$result = $localize->catalog('nl');
-		$expected = array('language' => 'Dutch (Standard)', 'locale' => 'dut', 'localeFallback' => 'dut', 'charset' => 'utf-8', 'direction' => 'ltr');
+		$expected = array('language' => 'Dutch (Standard)', 'locale' => 'nld', 'localeFallback' => 'nld', 'charset' => 'utf-8', 'direction' => 'ltr');
 		$this->assertEquals($expected, $result);
 
 		$result = $localize->catalog('nld');
-		$expected = array('language' => 'Dutch (Standard)', 'locale' => 'dut', 'localeFallback' => 'dut', 'charset' => 'utf-8', 'direction' => 'ltr');
+		$expected = array('language' => 'Dutch (Standard)', 'locale' => 'nld', 'localeFallback' => 'nld', 'charset' => 'utf-8', 'direction' => 'ltr');
 		$this->assertEquals($expected, $result);
 
 		$result = $localize->catalog('dut');
-		$expected = array('language' => 'Dutch (Standard)', 'locale' => 'dut', 'localeFallback' => 'dut', 'charset' => 'utf-8', 'direction' => 'ltr');
+		$expected = array('language' => 'Dutch (Standard)', 'locale' => 'nld', 'localeFallback' => 'nld', 'charset' => 'utf-8', 'direction' => 'ltr');
 		$this->assertEquals($expected, $result);
 
 		$result = $localize->catalog(array('nb'));