diff --git a/lib/Doctrine/ORM/Internal/Hydration/ObjectHydrator.php b/lib/Doctrine/ORM/Internal/Hydration/ObjectHydrator.php
index 5813734cd..3f48f8607 100644
--- a/lib/Doctrine/ORM/Internal/Hydration/ObjectHydrator.php
+++ b/lib/Doctrine/ORM/Internal/Hydration/ObjectHydrator.php
@@ -448,6 +448,7 @@ class ObjectHydrator extends AbstractHydrator
                             $this->_resultPointers[$dqlAlias] = $element;
                         } else {
                             $this->_uow->setOriginalEntityProperty($oid, $relationField, null);
+                            $reflField->setValue($parentObject, null);
                         }
                         // else leave $reflFieldValue null for single-valued associations
                     } else {
diff --git a/tests/Doctrine/Tests/ORM/Functional/OneToOneEagerLoadingTest.php b/tests/Doctrine/Tests/ORM/Functional/OneToOneEagerLoadingTest.php
index b094054eb..7ad30ab7a 100644
--- a/tests/Doctrine/Tests/ORM/Functional/OneToOneEagerLoadingTest.php
+++ b/tests/Doctrine/Tests/ORM/Functional/OneToOneEagerLoadingTest.php
@@ -21,6 +21,7 @@ class OneToOneEagerLoadingTest extends \Doctrine\Tests\OrmFunctionalTestCase
                 $this->_em->getClassMetadata('Doctrine\Tests\ORM\Functional\TrainDriver'),
                 $this->_em->getClassMetadata('Doctrine\Tests\ORM\Functional\TrainOwner'),
                 $this->_em->getClassMetadata('Doctrine\Tests\ORM\Functional\Waggon'),
+                $this->_em->getClassMetadata('Doctrine\Tests\ORM\Functional\TrainOrder'),
             ));
         } catch(\Exception $e) {}
     }
@@ -181,6 +182,24 @@ class OneToOneEagerLoadingTest extends \Doctrine\Tests\OrmFunctionalTestCase
             $this->_sqlLoggerStack->queries[$this->_sqlLoggerStack->currentQuery]['sql']
         );
     }
+
+    /**
+     * @group DDC-1946
+     */
+    public function testEagerLoadingDoesNotBreakRefresh()
+    {
+        $train = new Train(new TrainOwner('Johannes'));
+        $order = new TrainOrder($train);
+        $this->_em->persist($train);
+        $this->_em->persist($order);
+        $this->_em->flush();
+
+        $this->_em->getConnection()->exec("UPDATE TrainOrder SET train_id = NULL");
+
+        $this->assertSame($train, $order->train);
+        $this->_em->refresh($order);
+        $this->assertTrue($order->train === null, "Train reference was not refreshed to NULL.");
+    }
 }
 
 /**
@@ -305,3 +324,20 @@ class Waggon
         $this->train = $train;
     }
 }
+
+/**
+ * @Entity
+ */
+class TrainOrder
+{
+    /** @id @generatedValue @column(type="integer") */
+    public $id;
+
+    /** @OneToOne(targetEntity = "Train", fetch = "EAGER") */
+    public $train;
+
+    public function __construct(Train $train)
+    {
+        $this->train = $train;
+    }
+}
diff --git a/tests/Doctrine/Tests/ORM/Functional/Ticket/DDC371Test.php b/tests/Doctrine/Tests/ORM/Functional/Ticket/DDC371Test.php
index 54f76b1a7..2a99519cb 100644
--- a/tests/Doctrine/Tests/ORM/Functional/Ticket/DDC371Test.php
+++ b/tests/Doctrine/Tests/ORM/Functional/Ticket/DDC371Test.php
@@ -5,6 +5,9 @@ use Doctrine\ORM\Query;
 
 require_once __DIR__ . '/../../../TestInit.php';
 
+/**
+ * @group DDC-371
+ */
 class DDC371Test extends \Doctrine\Tests\OrmFunctionalTestCase
 {
     protected function setUp()