diff --git a/Tests/Fixtures/Controller/TestController.php b/Tests/Fixtures/Controller/TestController.php
index eb80a96..0265d39 100644
--- a/Tests/Fixtures/Controller/TestController.php
+++ b/Tests/Fixtures/Controller/TestController.php
@@ -200,6 +200,15 @@ class TestController
     {
     }
 
+    /**
+     * @ApiDoc(
+     *     output="Nelmio\ApiDocBundle\Tests\Fixtures\Model\JmsChild"
+     * )
+     */
+    public function jmsReturnNestedExtendedOutputAction()
+    {
+    }
+
     /**
      * @ApiDoc(
      *     output="Nelmio\ApiDocBundle\Tests\Fixtures\Model\MultipleTest"
diff --git a/Tests/Fixtures/Model/JmsChild.php b/Tests/Fixtures/Model/JmsChild.php
new file mode 100644
index 0000000..5244e81
--- /dev/null
+++ b/Tests/Fixtures/Model/JmsChild.php
@@ -0,0 +1,13 @@
+<?php
+namespace Nelmio\ApiDocBundle\Tests\Fixtures\Model;
+
+use JMS\Serializer\Annotation as JMS;
+
+class JmsChild extends JmsTest
+{
+    /**
+     * @JMS\Type("string");
+     */
+    public $child;
+
+}
diff --git a/Tests/Fixtures/app/config/routing.yml b/Tests/Fixtures/app/config/routing.yml
index 0b3ba08..e745c9f 100644
--- a/Tests/Fixtures/app/config/routing.yml
+++ b/Tests/Fixtures/app/config/routing.yml
@@ -122,6 +122,10 @@ test_return_nested_output:
     pattern: /return-nested-output
     defaults: { _controller: NelmioApiDocTestBundle:Test:jmsReturnNestedOutput, _format: json }
 
+test_return_nested_extend_output:
+    pattern: /return-nested-extend-output
+    defaults: { _controller: NelmioApiDocTestBundle:Test:jmsReturnNestedExtendOutput, _format: json }
+
 test_route_18:
     pattern: /z-return-jms-and-validator-output
     defaults: { _controller: NelmioApiDocTestBundle:Test:zReturnJmsAndValidationOutput }