diff --git a/lib/shoryuken/extensions/active_job_adapter.rb b/lib/shoryuken/extensions/active_job_adapter.rb
index 3a7482bc..d0629d32 100644
--- a/lib/shoryuken/extensions/active_job_adapter.rb
+++ b/lib/shoryuken/extensions/active_job_adapter.rb
@@ -14,7 +14,7 @@ module QueueAdapters
     # To use Shoryuken set the queue_adapter config to +:shoryuken+.
     #
     #   Rails.application.config.active_job.queue_adapter = :shoryuken
-    class ShoryukenAdapter
+    class ShoryukenAdapter < ActiveJob::QueueAdapters::AbstractAdapter
       class << self
         def instance
           # https://github.com/phstc/shoryuken/pull/174#issuecomment-174555657