diff --git a/lib/Cake/Model/Datasource/Database/Sqlserver.php b/lib/Cake/Model/Datasource/Database/Sqlserver.php
index d53605fc7..f1efb9258 100644
--- a/lib/Cake/Model/Datasource/Database/Sqlserver.php
+++ b/lib/Cake/Model/Datasource/Database/Sqlserver.php
@@ -439,6 +439,9 @@ class Sqlserver extends DboSource {
 			if ($length->Length == -1 && strpos($length->Type, 'char') !== false) {
 				return null;
 			}
+			if (in_array($length->Type, array('nchar', 'nvarchar'))) {
+				return floor($length->Length / 2);
+			}
 			return $length->Length;
 		}
 		return parent::length($length);
diff --git a/lib/Cake/Test/Case/Model/Datasource/Database/SqlserverTest.php b/lib/Cake/Test/Case/Model/Datasource/Database/SqlserverTest.php
index 02ce1e617..12c14e3af 100644
--- a/lib/Cake/Test/Case/Model/Datasource/Database/SqlserverTest.php
+++ b/lib/Cake/Test/Case/Model/Datasource/Database/SqlserverTest.php
@@ -415,6 +415,15 @@ class SqlserverTest extends CakeTestCase {
 				'Null' => 'YES',
 				'Size' => ''
 			),
+			(object) array(
+				'Default' => '',
+				'Field' => 'id',
+				'Key' => 1,
+				'Type' => 'nchar',
+				'Length' => 72,
+				'Null' => 'NO',
+				'Size' => ''
+			)
 		));
 		$this->db->executeResultsStack = array($SqlserverTableDescription);
 		$dummyModel = $this->model;
@@ -437,6 +446,13 @@ class SqlserverTest extends CakeTestCase {
 				'null' => true,
 				'default' => '',
 				'length' => null
+			),
+			'id' => array(
+				'type' => 'string',
+				'null' => false,
+				'default' => '',
+				'length' => 36,
+				'key' => 'primary'
 			)
 		);
 		$this->assertEqual($expected, $result);