diff --git a/lib/Doctrine/ORM/PersistentCollection.php b/lib/Doctrine/ORM/PersistentCollection.php
index a50cd8343..947774542 100644
--- a/lib/Doctrine/ORM/PersistentCollection.php
+++ b/lib/Doctrine/ORM/PersistentCollection.php
@@ -518,6 +518,7 @@ final class PersistentCollection implements Collection, Selectable
     public function get($key)
     {
         if ( ! $this->initialized
+            && $this->association['type'] === Mapping\ClassMetadataInfo::ONE_TO_MANY
             && $this->association['fetch'] === Mapping\ClassMetadataInfo::FETCH_EXTRA_LAZY
             && isset($this->association['indexBy'])
         ) {
diff --git a/lib/Doctrine/ORM/Persisters/ManyToManyPersister.php b/lib/Doctrine/ORM/Persisters/ManyToManyPersister.php
index df46aa30a..d9f7e30ca 100644
--- a/lib/Doctrine/ORM/Persisters/ManyToManyPersister.php
+++ b/lib/Doctrine/ORM/Persisters/ManyToManyPersister.php
@@ -33,24 +33,6 @@ use Doctrine\ORM\UnitOfWork;
  */
 class ManyToManyPersister extends AbstractCollectionPersister
 {
-    /**
-     * {@inheritdoc}
-     *
-     * @override
-     */
-    public function get(PersistentCollection $coll, $index)
-    {
-        $mapping   = $coll->getMapping();
-        $uow       = $this->em->getUnitOfWork();
-        $persister = $uow->getEntityPersister($mapping['targetEntity']);
-
-        if (!isset($mapping['indexBy'])) {
-            throw new \BadMethodCallException("Selecting a collection by index is only supported on indexed collections.");
-        }
-
-        return $persister->load(array($mapping['indexBy'] => $index), null, null, array(), 0, 1);
-    }
-
     /**
      * {@inheritdoc}
      *
diff --git a/lib/Doctrine/ORM/Persisters/OneToManyPersister.php b/lib/Doctrine/ORM/Persisters/OneToManyPersister.php
index 120ad548d..2915fd2ed 100644
--- a/lib/Doctrine/ORM/Persisters/OneToManyPersister.php
+++ b/lib/Doctrine/ORM/Persisters/OneToManyPersister.php
@@ -47,7 +47,7 @@ class OneToManyPersister extends AbstractCollectionPersister
             throw new \BadMethodCallException("Selecting a collection by index is only supported on indexed collections.");
         }
 
-        return $persister->load(array($mapping['indexBy'] => $index), null, null, array(), 0, 1);
+        return $persister->load(array($mapping['mappedBy'] => $coll->getOwner(), $mapping['indexBy'] => $index), null, null, array(), 0, 1);
     }
 
     /**
diff --git a/tests/Doctrine/Tests/ORM/Functional/ExtraLazyCollectionTest.php b/tests/Doctrine/Tests/ORM/Functional/ExtraLazyCollectionTest.php
index 5d8fa0f2a..eb4dbe4d8 100644
--- a/tests/Doctrine/Tests/ORM/Functional/ExtraLazyCollectionTest.php
+++ b/tests/Doctrine/Tests/ORM/Functional/ExtraLazyCollectionTest.php
@@ -17,7 +17,6 @@ class ExtraLazyCollectionTest extends \Doctrine\Tests\OrmFunctionalTestCase
     private $groupId;
     private $articleId;
 
-    private $groupname;
     private $topic;
     private $phonenumber;
 
@@ -562,33 +561,13 @@ class ExtraLazyCollectionTest extends \Doctrine\Tests\OrmFunctionalTestCase
         $this->assertSame($article, $this->_em->find('Doctrine\Tests\Models\CMS\CmsArticle', $this->articleId));
     }
 
-    /**
-     * @group DDC-1398
-     */
-    public function testGetIndexByManyToMany()
-    {
-        $user = $this->_em->find('Doctrine\Tests\Models\CMS\CmsUser', $this->userId);
-        /* @var $user CmsUser */
-
-        $queryCount = $this->getCurrentQueryCount();
-
-        $group = $user->groups->get($this->groupname);
-
-        $this->assertFalse($user->groups->isInitialized());
-        $this->assertEquals($queryCount + 1, $this->getCurrentQueryCount());
-        $this->assertSame($group, $this->_em->find('Doctrine\Tests\Models\CMS\CmsGroup', $this->groupId));
-    }
-
     /**
      * @group DDC-1398
      */
     public function testGetNonExistentIndexBy()
     {
         $user = $this->_em->find('Doctrine\Tests\Models\CMS\CmsUser', $this->userId);
-        /* @var $user CmsUser */
-
         $this->assertNull($user->articles->get(-1));
-        $this->assertNull($user->groups->get(-1));
     }
 
     private function loadFixture()
@@ -668,8 +647,7 @@ class ExtraLazyCollectionTest extends \Doctrine\Tests\OrmFunctionalTestCase
         $this->userId = $user1->getId();
         $this->groupId = $group1->id;
 
-        $this->groupname = $group1->name;
         $this->topic = $article1->topic;
         $this->phonenumber = $phonenumber1->phonenumber;
     }
-}
\ No newline at end of file
+}