diff --git a/src/Symfony/Component/DependencyInjection/Dumper/XmlDumper.php b/src/Symfony/Component/DependencyInjection/Dumper/XmlDumper.php
index a311af348e..6cdc68fc20 100644
--- a/src/Symfony/Component/DependencyInjection/Dumper/XmlDumper.php
+++ b/src/Symfony/Component/DependencyInjection/Dumper/XmlDumper.php
@@ -119,6 +119,9 @@ class XmlDumper extends Dumper
         if ($definition->getFactoryMethod()) {
             $service->setAttribute('factory-method', $definition->getFactoryMethod());
         }
+        if ($definition->getFactoryClass()) {
+            $service->setAttribute('factory-class', $definition->getFactoryClass());
+        }
         if ($definition->getFactoryService()) {
             $service->setAttribute('factory-service', $definition->getFactoryService());
         }
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/xml/services9.xml b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/xml/services9.xml
index 7b99fe2667..de065464c5 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/xml/services9.xml
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/xml/services9.xml
@@ -6,7 +6,7 @@
     <parameter key="foo">bar</parameter>
   </parameters>
   <services>
-    <service id="foo" class="FooClass" factory-method="getInstance">
+    <service id="foo" class="FooClass" factory-method="getInstance" factory-class="FooClass">
       <tag name="foo" foo="foo"/>
       <tag name="foo" bar="bar"/>
       <argument>foo</argument>
@@ -35,7 +35,7 @@
       <argument>%foo_bar%</argument>
       <configurator service="foo.baz" method="configure"/>
     </service>
-    <service id="foo.baz" class="%baz_class%" factory-method="getInstance">
+    <service id="foo.baz" class="%baz_class%" factory-method="getInstance" factory-class="%baz_class%">
       <configurator class="%baz_class%" method="configureStatic1"/>
     </service>
     <service id="foo_bar" class="%foo_class%" scope="prototype"/>