diff --git a/attributes/default.rb b/attributes/default.rb
index e5209a4e..8f0ca47c 100644
--- a/attributes/default.rb
+++ b/attributes/default.rb
@@ -85,4 +85,4 @@
 
 ## sidekiq
 
-default['defaults']['worker']['config'] = { 'concurency' => 5, 'verbose' => false, 'queues' => ['default'] }
+default['defaults']['worker']['config'] = { 'concurrency' => 5, 'verbose' => false, 'queues' => ['default'] }
diff --git a/libraries/drivers_worker_sidekiq.rb b/libraries/drivers_worker_sidekiq.rb
index 55c97af6..4d7497cb 100644
--- a/libraries/drivers_worker_sidekiq.rb
+++ b/libraries/drivers_worker_sidekiq.rb
@@ -60,7 +60,7 @@ def environment
       end
 
       def configuration
-        JSON.parse(out[:config].stringify_keys.to_json)
+        JSON.parse(out[:config].to_json, symbolize_names: true)
       end
     end
   end
diff --git a/spec/unit/recipes/configure_spec.rb b/spec/unit/recipes/configure_spec.rb
index dae0cb83..edd801ca 100644
--- a/spec/unit/recipes/configure_spec.rb
+++ b/spec/unit/recipes/configure_spec.rb
@@ -159,10 +159,10 @@
     it 'creates sidekiq.conf.yml' do
       expect(chef_run)
         .to render_file("/srv/www/#{aws_opsworks_app['shortname']}/shared/config/sidekiq_1.yml")
-        .with_content("---\nconcurency: 5\nverbose: false\nqueues:\n- default")
+        .with_content("---\n:concurrency: 5\n:verbose: false\n:queues:\n- default")
       expect(chef_run)
         .to render_file("/srv/www/#{aws_opsworks_app['shortname']}/shared/config/sidekiq_2.yml")
-        .with_content("---\nconcurency: 5\nverbose: false\nqueues:\n- default")
+        .with_content("---\n:concurrency: 5\n:verbose: false\n:queues:\n- default")
     end
 
     it 'creates sidekiq.monitrc conf' do