diff --git a/lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php b/lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php
index 1e038d659..1f0d4653f 100644
--- a/lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php
+++ b/lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php
@@ -831,6 +831,10 @@ class ClassMetadataInfo implements ClassMetadata
             $serialized[] = 'lifecycleCallbacks';
         }
 
+        if ($this->entityListeners) {
+            $serialized[] = 'entityListeners';
+        }
+
         if ($this->namedQueries) {
             $serialized[] = 'namedQueries';
         }
diff --git a/tests/Doctrine/Tests/ORM/Mapping/ClassMetadataTest.php b/tests/Doctrine/Tests/ORM/Mapping/ClassMetadataTest.php
index b8e0becc4..330b54a3f 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/ClassMetadataTest.php
+++ b/tests/Doctrine/Tests/ORM/Mapping/ClassMetadataTest.php
@@ -714,6 +714,23 @@ class ClassMetadataTest extends \Doctrine\Tests\OrmTestCase
         $this->assertEquals(1, count($cm->getNamedNativeQueries()));
     }
 
+    /**
+     * @group DDC-2451
+     */
+    public function testSerializeEntityListeners()
+    {
+        $metadata = new ClassMetadata('Doctrine\Tests\Models\Company\CompanyContract');
+
+        $metadata->initializeReflection(new \Doctrine\Common\Persistence\Mapping\RuntimeReflectionService);
+        $metadata->addEntityListener(\Doctrine\ORM\Events::prePersist, 'CompanyContractListener', 'prePersistHandler');
+        $metadata->addEntityListener(\Doctrine\ORM\Events::postPersist, 'CompanyContractListener', 'postPersistHandler');
+
+        $serialize   = serialize($metadata);
+        $unserialize = unserialize($serialize);
+
+        $this->assertEquals($metadata->entityListeners, $unserialize->entityListeners);
+    }
+
     /**
      * @expectedException \Doctrine\ORM\Mapping\MappingException
      * @expectedExceptionMessage Query named "userById" in "Doctrine\Tests\Models\CMS\CmsUser" was already declared, but it must be declared only once