diff --git a/core/core.services.yml b/core/core.services.yml
index 7776fa2..9bbb6db 100644
--- a/core/core.services.yml
+++ b/core/core.services.yml
@@ -33,6 +33,7 @@ parameters:
     - sftp
     - webcal
     - rtsp
+  pager_class: Drupal\Core\Pager\Pager
 services:
   # Simple cache contexts, directly derived from the request context.
   cache_context.ip:
@@ -1539,4 +1540,4 @@ services:
       - { name: event_subscriber }
   pager.factory:
     class: Drupal\Core\Pager\PagerFactory
-    arguments: ['Drupal\Core\Pager\Pager', '@service_container', '@request_stack']
+    arguments: ['%pager_class%', '@service_container', '@request_stack']