diff --git a/lib/Doctrine/ORM/Query/Parser.php b/lib/Doctrine/ORM/Query/Parser.php
index 67ee0729d..a82d9d82f 100644
--- a/lib/Doctrine/ORM/Query/Parser.php
+++ b/lib/Doctrine/ORM/Query/Parser.php
@@ -670,6 +670,12 @@ class Parser
                     continue;
                 }
 
+                if (isset($class->associationMappings[$field]) &&
+                    $class->associationMappings[$field]['isOwningSide'] &&
+                    $class->associationMappings[$field]['type'] & ClassMetadata::TO_ONE) {
+                    continue;
+                }
+
                 $this->semanticalError(
                     "There is no mapped field named '$field' on class " . $class->name . ".", $deferredItem['token']
                 );
diff --git a/tests/Doctrine/Tests/ORM/Functional/Ticket/DDC2519Test.php b/tests/Doctrine/Tests/ORM/Functional/Ticket/DDC2519Test.php
new file mode 100644
index 000000000..d6ea115b5
--- /dev/null
+++ b/tests/Doctrine/Tests/ORM/Functional/Ticket/DDC2519Test.php
@@ -0,0 +1,85 @@
+<?php
+
+namespace Doctrine\Tests\ORM\Functional\Ticket;
+
+use Doctrine\Tests\Models\Legacy\LegacyUser;
+use Doctrine\Tests\Models\Legacy\LegacyUserReference;
+
+/**
+ * @group DDC-2519
+ */
+class DDC2519Test extends \Doctrine\Tests\OrmFunctionalTestCase
+{
+    private $userId;
+
+    public function setUp()
+    {
+        $this->useModelSet('legacy');
+        parent::setUp();
+
+        $this->loadFixture();
+    }
+
+    /**
+     * @group DDC-2519
+     */
+    public function testIssue()
+    {
+        $dql    = 'SELECT PARTIAL l.{_source, _target} FROM Doctrine\Tests\Models\Legacy\LegacyUserReference l';
+        $result = $this->_em->createQuery($dql)->getResult();
+
+        $this->assertCount(2, $result);
+        $this->assertInstanceOf('Doctrine\Tests\Models\Legacy\LegacyUserReference', $result[0]);
+        $this->assertInstanceOf('Doctrine\Tests\Models\Legacy\LegacyUserReference', $result[1]);
+
+        $this->assertInstanceOf('Doctrine\Tests\Models\Legacy\LegacyUser', $result[0]->source());
+        $this->assertInstanceOf('Doctrine\Tests\Models\Legacy\LegacyUser', $result[0]->target());
+        $this->assertInstanceOf('Doctrine\Tests\Models\Legacy\LegacyUser', $result[1]->source());
+        $this->assertInstanceOf('Doctrine\Tests\Models\Legacy\LegacyUser', $result[1]->target());
+
+        $this->assertInstanceOf('Doctrine\ORM\Proxy\Proxy', $result[0]->source());
+        $this->assertInstanceOf('Doctrine\ORM\Proxy\Proxy', $result[0]->target());
+        $this->assertInstanceOf('Doctrine\ORM\Proxy\Proxy', $result[1]->source());
+        $this->assertInstanceOf('Doctrine\ORM\Proxy\Proxy', $result[1]->target());
+
+        $this->assertFalse($result[0]->target()->__isInitialized());
+        $this->assertFalse($result[0]->source()->__isInitialized());
+        $this->assertFalse($result[1]->target()->__isInitialized());
+        $this->assertFalse($result[1]->source()->__isInitialized());
+
+        $this->assertNotNull($result[0]->source()->getId());
+        $this->assertNotNull($result[0]->target()->getId());
+        $this->assertNotNull($result[1]->source()->getId());
+        $this->assertNotNull($result[1]->target()->getId());
+    }
+
+    public function loadFixture()
+    {
+        $user1              = new LegacyUser();
+        $user1->_username   = 'FabioBatSilva';
+        $user1->_name       = 'Fabio B. Silva';
+        $user1->_status     = 'active';
+
+        $user2              = new LegacyUser();
+        $user2->_username   = 'doctrinebot';
+        $user2->_name       = 'Doctrine Bot';
+        $user2->_status     = 'active';
+
+        $user3              = new LegacyUser();
+        $user3->_username   = 'test';
+        $user3->_name       = 'Tester';
+        $user3->_status     = 'active';
+
+        $this->_em->persist($user1);
+        $this->_em->persist($user2);
+        $this->_em->persist($user3);
+
+        $this->_em->flush();
+
+        $this->_em->persist(new LegacyUserReference($user1, $user2, 'foo'));
+        $this->_em->persist(new LegacyUserReference($user1, $user3, 'bar'));
+
+        $this->_em->flush();
+        $this->_em->clear();
+    }
+}
diff --git a/tests/Doctrine/Tests/ORM/Query/SelectSqlGenerationTest.php b/tests/Doctrine/Tests/ORM/Query/SelectSqlGenerationTest.php
index 785e25850..dbb303323 100644
--- a/tests/Doctrine/Tests/ORM/Query/SelectSqlGenerationTest.php
+++ b/tests/Doctrine/Tests/ORM/Query/SelectSqlGenerationTest.php
@@ -1292,6 +1292,22 @@ class SelectSqlGenerationTest extends \Doctrine\Tests\OrmTestCase
         );
     }
 
+    /**
+     * @group DDC-2519
+     */
+    public function testPartialWithAssociationIdentifier()
+    {
+        $this->assertSqlGeneration(
+            "SELECT PARTIAL l.{_source, _target} FROM Doctrine\Tests\Models\Legacy\LegacyUserReference l",
+            'SELECT l0_.iUserIdSource AS iUserIdSource0, l0_.iUserIdTarget AS iUserIdTarget1 FROM legacy_users_reference l0_'
+        );
+
+        $this->assertSqlGeneration(
+            "SELECT PARTIAL l.{_description, _source, _target} FROM Doctrine\Tests\Models\Legacy\LegacyUserReference l",
+            'SELECT l0_.description AS description0, l0_.iUserIdSource AS iUserIdSource1, l0_.iUserIdTarget AS iUserIdTarget2 FROM legacy_users_reference l0_'
+        );
+    }
+
     /**
      * @group DDC-1339
      */