diff --git a/src/Bundle/DependencyInjection/NetzmachtContaoLeafletExtension.php b/src/Bundle/DependencyInjection/NetzmachtContaoLeafletExtension.php
index 0a894ec..ef67a2e 100644
--- a/src/Bundle/DependencyInjection/NetzmachtContaoLeafletExtension.php
+++ b/src/Bundle/DependencyInjection/NetzmachtContaoLeafletExtension.php
@@ -49,5 +49,13 @@ class NetzmachtContaoLeafletExtension extends Extension
         $loader->load('mappers.yml');
         $loader->load('encoders.yml');
         $loader->load('layers.yml');
+
+        if (!$container->hasDefinition('netzmacht.contao_leaflet.cache')) {
+            if ($container->getParameter('kernel.debug')) {
+                $container->setAlias('netzmacht.contao_leaflet.cache', 'netzmacht.contao_leaflet.cache.debug');
+            } else {
+                $container->setAlias('netzmacht.contao_leaflet.cache', 'netzmacht.contao_leaflet.cache.default');
+            }
+        }
     }
 }
diff --git a/src/Bundle/Resources/config/services.yml b/src/Bundle/Resources/config/services.yml
index 54676f8..c4e6fc3 100644
--- a/src/Bundle/Resources/config/services.yml
+++ b/src/Bundle/Resources/config/services.yml
@@ -26,9 +26,6 @@ services:
     arguments:
       - '%netzmacht.contao_leaflet.filters%'
 
-  netzmacht.contao_leaflet.cache:
-    alias: 'netzmacht.contao_leaflet.cache.default'
-
   netzmacht.contao_leaflet.cache.default:
     class: Doctrine\Common\Cache\FilesystemCache
     arguments: