diff --git a/lib/active_job/queue_adapters/sneakers_adapter.rb b/lib/active_job/queue_adapters/sneakers_adapter.rb
index 07554b4b..82108544 100644
--- a/lib/active_job/queue_adapters/sneakers_adapter.rb
+++ b/lib/active_job/queue_adapters/sneakers_adapter.rb
@@ -8,7 +8,7 @@ module QueueAdapters
     # To use Sneakers set the queue_adapter config to +:sneakers+.
     #
     #   Rails.application.config.active_job.queue_adapter = :sneakers
-    class SneakersAdapter
+    class SneakersAdapter < (const_defined?(:AbstractAdapter) ? AbstractAdapter : Object)
       def initialize
         @monitor = Monitor.new
       end