diff --git a/lib/Doctrine/ORM/Persisters/JoinedSubclassPersister.php b/lib/Doctrine/ORM/Persisters/JoinedSubclassPersister.php
index 893a3e31e..fc90d6cad 100644
--- a/lib/Doctrine/ORM/Persisters/JoinedSubclassPersister.php
+++ b/lib/Doctrine/ORM/Persisters/JoinedSubclassPersister.php
@@ -127,7 +127,7 @@ class JoinedSubclassPersister extends AbstractEntityInheritancePersister
     public function executeInserts()
     {
         if ( ! $this->queuedInserts) {
-            return;
+            return array();
         }
 
         $postInsertIds  = array();
diff --git a/tests/Doctrine/Tests/ORM/Persisters/JoinedSubclassPersisterTest.php b/tests/Doctrine/Tests/ORM/Persisters/JoinedSubclassPersisterTest.php
new file mode 100644
index 000000000..6c3bce3cf
--- /dev/null
+++ b/tests/Doctrine/Tests/ORM/Persisters/JoinedSubclassPersisterTest.php
@@ -0,0 +1,64 @@
+<?php
+/*
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the MIT license. For more information, see
+ * <http://www.doctrine-project.org>.
+ */
+
+namespace Doctrine\Tests\ORM\Persisters;
+
+use Doctrine\ORM\Persisters\JoinedSubclassPersister;
+use Doctrine\Tests\OrmTestCase;
+
+/**
+ * Tests for {@see \Doctrine\ORM\Persisters\JoinedSubclassPersister}
+ *
+ * @covers \Doctrine\ORM\Persisters\JoinedSubclassPersister
+ */
+class JoinedSubClassPersisterTest extends OrmTestCase
+{
+    /**
+     * @var JoinedSubclassPersister
+     */
+    protected $persister;
+
+    /**
+     * @var \Doctrine\ORM\EntityManager
+     */
+    protected $em;
+
+    /**
+     * {@inheritDoc}
+     */
+    protected function setUp()
+    {
+        parent::setUp();
+
+        $this->em = $this->_getTestEntityManager();
+
+        $this->persister = new JoinedSubclassPersister(
+            $this->em,
+            $this->em->getClassMetadata('Doctrine\Tests\Models\JoinedInheritanceType\RootClass')
+        );
+    }
+
+    /**
+     * @group DDC-3470
+     */
+    public function testExecuteInsertsWillReturnEmptySetWithNoQueuedInserts()
+    {
+        $this->assertSame(array(), $this->persister->executeInserts());
+    }
+}