diff --git a/DependencyInjection/IvoryGoogleMapExtension.php b/DependencyInjection/IvoryGoogleMapExtension.php
index 80de514f..4e2b0bbe 100644
--- a/DependencyInjection/IvoryGoogleMapExtension.php
+++ b/DependencyInjection/IvoryGoogleMapExtension.php
@@ -114,10 +114,28 @@ private function loadServicesConfig(array $config, ContainerBuilder $container,
             'time_zone'          => true,
         ];
 
+        $serializerLoaded = false;
+        $loadSerializer = function() use ($container, $loader) {
+            $loader->load('service/serializer.xml');
+
+            if ($container->hasParameter('kernel.project_dir')) {
+                $container
+                    ->getDefinition('ivory.google_map.serializer.loader')
+                    ->replaceArgument(0, '%kernel.project_dir%/vendor/ivory/google-map/src/Service/Serializer');
+            }
+        };
+
         foreach ($services as $service => $http) {
-            if (isset($config[$service])) {
-                $this->loadServiceConfig($service, $config[$service], $container, $loader, $http);
+            if (!isset($config[$service])) {
+                continue;
             }
+
+            if ($http && !$serializerLoaded) {
+                $loadSerializer();
+                $serializerLoaded = true;
+            }
+
+            $this->loadServiceConfig($service, $config[$service], $container, $loader, $http);
         }
     }
 
@@ -139,8 +157,6 @@ private function loadServiceConfig(
         $definition = $container->getDefinition($serviceName = 'ivory.google_map.'.$service);
 
         if ($http) {
-            $loader->load('service/serializer.xml');
-
             $definition
                 ->addArgument(new Reference($config['client']))
                 ->addArgument(new Reference($config['message_factory']))
diff --git a/Tests/DependencyInjection/AbstractIvoryGoogleMapExtensionTest.php b/Tests/DependencyInjection/AbstractIvoryGoogleMapExtensionTest.php
index cb63d42f..6cdf3efd 100644
--- a/Tests/DependencyInjection/AbstractIvoryGoogleMapExtensionTest.php
+++ b/Tests/DependencyInjection/AbstractIvoryGoogleMapExtensionTest.php
@@ -76,6 +76,7 @@ protected function setUp()
     {
         $this->container = new ContainerBuilder();
         $this->container->setParameter('kernel.root_dir', __DIR__.'/..');
+        $this->container->setParameter('kernel.project_dir', realpath(__DIR__.'/../..'));
         $this->container->setParameter('kernel.debug', $this->debug = false);
         $this->container->setParameter('locale', $this->locale = 'en');
         $this->container->set('httplug.client', $this->client = $this->createClientMock());
@@ -274,6 +275,7 @@ public function testDirection()
         $this->assertSame($this->serializer, $direction->getSerializer());
         $this->assertSame(DirectionService::FORMAT_JSON, $direction->getFormat());
         $this->assertFalse($direction->hasBusinessAccount());
+        self::assertTrue($this->container->has('ivory.google_map.serializer.loader'));
     }
 
     public function testDirectionFormat()