diff --git a/README.md b/README.md
index 7f26351ef..835e2b475 100644
--- a/README.md
+++ b/README.md
@@ -378,6 +378,7 @@ Delayed::Worker.read_ahead = 10
 Delayed::Worker.default_queue_name = 'default'
 Delayed::Worker.delay_jobs = !Rails.env.test?
 Delayed::Worker.raise_signal_exceptions = :term
+Delayed::Worker.logger = Logger.new(File.join(Rails.root, 'log', 'delayed_job.log'))
 ```
 
 Cleaning up
diff --git a/lib/delayed/railtie.rb b/lib/delayed/railtie.rb
index 9c6686301..0249ea0f9 100644
--- a/lib/delayed/railtie.rb
+++ b/lib/delayed/railtie.rb
@@ -8,7 +8,7 @@ class Railtie < Rails::Railtie
         ActionMailer::Base.extend(Delayed::DelayMail)
       end
 
-      Delayed::Worker.logger = if defined?(Rails)
+      Delayed::Worker.logger ||= if defined?(Rails)
         Rails.logger
       elsif defined?(RAILS_DEFAULT_LOGGER)
         RAILS_DEFAULT_LOGGER