diff --git a/src/BeSimple/SoapBundle/DependencyInjection/BeSimpleSoapExtension.php b/src/BeSimple/SoapBundle/DependencyInjection/BeSimpleSoapExtension.php
index a0b8c51..4e2b47a 100644
--- a/src/BeSimple/SoapBundle/DependencyInjection/BeSimpleSoapExtension.php
+++ b/src/BeSimple/SoapBundle/DependencyInjection/BeSimpleSoapExtension.php
@@ -147,7 +147,10 @@ class BeSimpleSoapExtension extends Extension
         $definition = new DefinitionDecorator('besimple.soap.client');
         $container->setDefinition(sprintf('besimple.soap.client.%s', $client), $definition);
 
-        $definition->setFactoryService(sprintf('besimple.soap.client.builder.%s', $client));
+        $definition->setFactory(array(
+            new Reference(sprintf('besimple.soap.client.builder.%s', $client)),
+            'build'
+        ));
     }
 
     private function createWebServiceContext(array $config, ContainerBuilder $container)
diff --git a/src/BeSimple/SoapBundle/Resources/config/client.xml b/src/BeSimple/SoapBundle/Resources/config/client.xml
index 0af3c34..b1e1d3e 100644
--- a/src/BeSimple/SoapBundle/Resources/config/client.xml
+++ b/src/BeSimple/SoapBundle/Resources/config/client.xml
@@ -19,7 +19,9 @@
             <argument type="service" id="besimple.soap.cache" /> <!-- hack to load besimple cache configuration -->
         </service>
 
-        <service id="besimple.soap.client" factory-service="besimple.soap.client.builder" factory-method="build" class="%besimple.soap.client.builder.class%" abstract="true" />
+        <service id="besimple.soap.client" class="%besimple.soap.client.builder.class%" abstract="true">
+            <factory class="besimple.soap.client.builder" method="build" />
+        </service>
 
         <service id="besimple.soap.classmap" class="%besimple.soap.classmap.class%" abstract="true" />
     </services>