diff --git a/README.md b/README.md
index e14b838..5deec22 100644
--- a/README.md
+++ b/README.md
@@ -40,7 +40,7 @@ public function registerBundles()
 Default configuration:
 
 ```yml
-gps_lab_geo_ip2:
+gpslab_geoip:
     # Path to download GeoIP database.
     # It's a default value. You can change it.
     cache: '%kernel.cache_dir%/GeoLite2-Country.mmdb'
diff --git a/src/DependencyInjection/Configuration.php b/src/DependencyInjection/Configuration.php
index c4f1804..13cd553 100644
--- a/src/DependencyInjection/Configuration.php
+++ b/src/DependencyInjection/Configuration.php
@@ -19,7 +19,7 @@ class Configuration implements ConfigurationInterface
      *
      * Example config:
      *
-     * gps_lab_geo_ip2:
+     * gpslab_geoip:
      *     cache: '%kernel.cache_dir%/GeoLite2-Country.mmdb'
      *     url: 'http://geolite.maxmind.com/download/geoip/database/GeoLite2-Country.mmdb.gz'
      *
@@ -28,7 +28,7 @@ class Configuration implements ConfigurationInterface
     public function getConfigTreeBuilder()
     {
         return (new TreeBuilder())
-            ->root('gps_lab_geo_ip2')
+            ->root('gpslab_geoip')
                 ->children()
                     ->scalarNode('cache')
                         ->cannotBeEmpty()
diff --git a/src/DependencyInjection/GpsLabGeoIP2Extension.php b/src/DependencyInjection/GpsLabGeoIP2Extension.php
index 7a29fdc..b7c5d78 100644
--- a/src/DependencyInjection/GpsLabGeoIP2Extension.php
+++ b/src/DependencyInjection/GpsLabGeoIP2Extension.php
@@ -26,4 +26,12 @@ public function load(array $configs, ContainerBuilder $container)
         $loader = new Loader\YamlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
         $loader->load('services.yml');
     }
+
+    /**
+     * @return string
+     */
+    public function getAlias()
+    {
+        return 'gpslab_geoip';
+    }
 }