diff --git a/lib/Doctrine/ORM/Configuration.php b/lib/Doctrine/ORM/Configuration.php
index 7a3445eae..a83548801 100644
--- a/lib/Doctrine/ORM/Configuration.php
+++ b/lib/Doctrine/ORM/Configuration.php
@@ -519,7 +519,7 @@ class Configuration extends \Doctrine\DBAL\Configuration
      */
     public function setCustomHydrationModes($modes)
     {
-        $this->_attributes['customHydrationMods'] = array();
+        $this->_attributes['customHydrationModes'] = array();
 
         foreach ($modes as $modeName => $hydrator) {
             $this->addCustomHydrationMode($modeName, $hydrator);
diff --git a/tests/Doctrine/Tests/ORM/ConfigurationTest.php b/tests/Doctrine/Tests/ORM/ConfigurationTest.php
index b53fd617b..76832c1dc 100644
--- a/tests/Doctrine/Tests/ORM/ConfigurationTest.php
+++ b/tests/Doctrine/Tests/ORM/ConfigurationTest.php
@@ -206,6 +206,21 @@ class ConfigurationTest extends PHPUnit_Framework_TestCase
         $this->assertSame(__CLASS__, $this->configuration->getCustomHydrationMode('HydrationModeName'));
     }
 
+    public function testSetCustomHydrationModes()
+    {
+        $this->configuration->addCustomHydrationMode('HydrationModeName', __CLASS__);
+        $this->assertSame(__CLASS__, $this->configuration->getCustomHydrationMode('HydrationModeName'));
+
+        $this->configuration->setCustomHydrationModes(
+            array(
+                'AnotherHydrationModeName' => __CLASS__
+            )
+        );
+
+        $this->assertNull($this->configuration->getCustomHydrationMode('HydrationModeName'));
+        $this->assertSame(__CLASS__, $this->configuration->getCustomHydrationMode('AnotherHydrationModeName'));
+    }
+
     public function testSetGetClassMetadataFactoryName()
     {
         $this->assertSame('Doctrine\ORM\Mapping\ClassMetadataFactory', $this->configuration->getClassMetadataFactoryName());