diff --git a/Resources/config/services.xml b/Resources/config/services.xml
index f11dad0..8d72d7a 100644
--- a/Resources/config/services.xml
+++ b/Resources/config/services.xml
@@ -21,21 +21,21 @@
             <tag name="nelmio_api_doc.describer" priority="1000" />
         </service>
 
+        <service id="nelmio_api_doc.describers.route.filtered_route_collection" class="Symfony\Component\Routing\RouteCollection">
+            <factory service="nelmio_api_doc.describers.route.filtered_route_collection_builder" method="filter" />
+            <argument type="service">
+                <service class="Symfony\Component\Routing\RouteCollection">
+                    <factory service="router" method="getRouteCollection" />
+                </service>
+            </argument>
+        </service>
+
         <service id="nelmio_api_doc.describers.route.filtered_route_collection_builder" class="Nelmio\ApiDocBundle\Routing\FilteredRouteCollectionBuilder" public="false">
             <argument type="collection" /> <!-- Path patterns -->
         </service>
 
         <service id="nelmio_api_doc.describers.route" class="Nelmio\ApiDocBundle\Describer\RouteDescriber" public="false">
-            <argument type="service">
-                <service class="Symfony\Component\Routing\RouteCollection">
-                    <factory service="nelmio_api_doc.describers.route.filtered_route_collection_builder" method="filter" />
-                    <argument type="service">
-                        <service class="Symfony\Component\Routing\RouteCollection">
-                            <factory service="router" method="getRouteCollection" />
-                        </service>
-                    </argument>
-                </service>
-            </argument>
+            <argument type="service" id="nelmio_api_doc.describers.route.filtered_route_collection" />
             <argument type="service" id="nelmio_api_doc.controller_reflector" />
             <argument type="collection" />