diff --git a/lib/active_model_serializers/railtie.rb b/lib/active_model_serializers/railtie.rb
index 1c8ff3c9..971393fe 100644
--- a/lib/active_model_serializers/railtie.rb
+++ b/lib/active_model_serializers/railtie.rb
@@ -28,7 +28,7 @@ module ActiveModelSerializers
       ActiveModelSerializers.config.perform_caching = Rails.configuration.action_controller.perform_caching
       # We want this hook to run after the config has been set, even if ActionController has already loaded.
       ActiveSupport.on_load(:action_controller) do
-        ActiveModelSerializers.config.cache_store = cache_store
+        ActiveModelSerializers.config.cache_store = ActionController::Base.cache_store
       end
     end