diff --git a/src/BeSimple/SoapBundle/DependencyInjection/BeSimpleSoapExtension.php b/src/BeSimple/SoapBundle/DependencyInjection/BeSimpleSoapExtension.php
index 941cbf0..45e5603 100644
--- a/src/BeSimple/SoapBundle/DependencyInjection/BeSimpleSoapExtension.php
+++ b/src/BeSimple/SoapBundle/DependencyInjection/BeSimpleSoapExtension.php
@@ -57,6 +57,11 @@ class BeSimpleSoapExtension extends Extension
 
         $container->setParameter('besimple.soap.definition.dumper.options.stylesheet', $config['wsdl_dumper']['stylesheet']);
 
+        $container
+            ->getDefinition('besimple.soap.server.classmap')
+            ->addMethodCall('set', array($config['services_classmap']))
+        ;
+
         foreach($config['services'] as $name => $serviceConfig) {
             $serviceConfig['name'] = $name;
             $this->createWebServiceContext($serviceConfig, $container);
diff --git a/src/BeSimple/SoapBundle/DependencyInjection/Configuration.php b/src/BeSimple/SoapBundle/DependencyInjection/Configuration.php
index f7fa94d..76c9809 100644
--- a/src/BeSimple/SoapBundle/DependencyInjection/Configuration.php
+++ b/src/BeSimple/SoapBundle/DependencyInjection/Configuration.php
@@ -97,6 +97,8 @@ class Configuration
     {
         $rootNode
             ->children()
+
+                // "services" section
                 ->arrayNode('services')
                     ->useAttributeAsKey('name')
                         ->prototype('array')
@@ -120,6 +122,13 @@ class Configuration
                         ->end()
                     ->end()
                 ->end()
+
+                // "services_classmap" section
+                ->arrayNode('services_classmap')
+                    ->useAttributeAsKey('name')
+                        ->prototype('scalar')->end()
+                    ->end()
+                ->end()
             ->end()
         ;
     }