diff --git a/app/logical/danbooru/http/logger.rb b/app/logical/danbooru/http/logger.rb
index b4bb453b8..427e92806 100644
--- a/app/logical/danbooru/http/logger.rb
+++ b/app/logical/danbooru/http/logger.rb
@@ -5,7 +5,7 @@ module Danbooru
 
       attr_reader :logger
 
-      def initialize(logger: ::Logger.new(STDOUT))
+      def initialize(logger: ::Logger.new(STDERR))
         @logger = logger
       end
 
diff --git a/config/environments/development.rb b/config/environments/development.rb
index d0aeaea66..226eaf286 100644
--- a/config/environments/development.rb
+++ b/config/environments/development.rb
@@ -64,7 +64,7 @@ Rails.application.configure do
   # Uncomment if you wish to allow Action Cable access from any origin.
   # config.action_cable.disable_request_forgery_protection = true
 
-  logger           = ActiveSupport::Logger.new(STDOUT)
+  logger           = ActiveSupport::Logger.new(STDERR)
   logger.formatter = config.log_formatter
   config.logger    = ActiveSupport::TaggedLogging.new(logger)
 
diff --git a/config/environments/production.rb b/config/environments/production.rb
index d25c0bb32..dbabb916f 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -76,7 +76,7 @@ Rails.application.configure do
   # require "syslog/logger"
   # config.logger = ActiveSupport::TaggedLogging.new(Syslog::Logger.new 'app-name')
 
-  logger           = ActiveSupport::Logger.new(STDOUT)
+  logger           = ActiveSupport::Logger.new(STDERR)
   logger.formatter = config.log_formatter
   config.logger    = ActiveSupport::TaggedLogging.new(logger)
 
diff --git a/config/initializers/delayed_jobs.rb b/config/initializers/delayed_jobs.rb
index 9137de1d6..7cad7da0c 100644
--- a/config/initializers/delayed_jobs.rb
+++ b/config/initializers/delayed_jobs.rb
@@ -8,7 +8,7 @@ class DelayedJobTimeoutPlugin < ::Delayed::Plugin
   end
 end
 
-Delayed::Worker.logger = Logger.new(STDOUT, level: :debug)
+Delayed::Worker.logger = Logger.new(STDERR, level: :debug)
 Delayed::Worker.default_queue_name = "default"
 Delayed::Worker.destroy_failed_jobs = false
 Delayed::Worker.plugins << DelayedJobTimeoutPlugin