diff --git a/lib/Doctrine/ORM/Persisters/Collection/OneToManyPersister.php b/lib/Doctrine/ORM/Persisters/Collection/OneToManyPersister.php
index 6687e5c5c..fb376033c 100644
--- a/lib/Doctrine/ORM/Persisters/Collection/OneToManyPersister.php
+++ b/lib/Doctrine/ORM/Persisters/Collection/OneToManyPersister.php
@@ -168,6 +168,8 @@ class OneToManyPersister extends AbstractCollectionPersister
         // clearing owning side value
         $targetMetadata->reflFields[$mapping['mappedBy']]->setValue($element, null);
 
+        $this->uow->computeChangeSet($targetMetadata, $element);
+
         $persister->update($element);
 
         return true;
diff --git a/tests/Doctrine/Tests/Models/Tweet/Tweet.php b/tests/Doctrine/Tests/Models/Tweet/Tweet.php
index 5455452c2..8a315df9e 100644
--- a/tests/Doctrine/Tests/Models/Tweet/Tweet.php
+++ b/tests/Doctrine/Tests/Models/Tweet/Tweet.php
@@ -8,6 +8,8 @@ namespace Doctrine\Tests\Models\Tweet;
  */
 class Tweet
 {
+    const CLASSNAME = __CLASS__;
+
     /**
      * @Id
      * @GeneratedValue
diff --git a/tests/Doctrine/Tests/Models/Tweet/User.php b/tests/Doctrine/Tests/Models/Tweet/User.php
index cb715702d..4722e6317 100644
--- a/tests/Doctrine/Tests/Models/Tweet/User.php
+++ b/tests/Doctrine/Tests/Models/Tweet/User.php
@@ -10,6 +10,8 @@ use Doctrine\Common\Collections\ArrayCollection;
  */
 class User
 {
+    const CLASSNAME = __CLASS__;
+
     /**
      * @Id
      * @GeneratedValue