diff --git a/core/modules/forum/forum.services.yml b/core/modules/forum/forum.services.yml
index 47246fc527..df863802df 100644
--- a/core/modules/forum/forum.services.yml
+++ b/core/modules/forum/forum.services.yml
@@ -23,7 +23,7 @@ services:
     class: Drupal\forum\Routing\RouteProcessor
     tags:
       - { name: route_processor_outbound }
-    arguments: ['@config.factory', '@entity.manager']
+    arguments: ['@config.factory', '@entity_type.manager']
   forum.uninstall_validator:
     class: Drupal\forum\ForumUninstallValidator
     tags: