diff --git a/libraries/drivers_worker_sidekiq.rb b/libraries/drivers_worker_sidekiq.rb
index 35ff9db4..733d0899 100644
--- a/libraries/drivers_worker_sidekiq.rb
+++ b/libraries/drivers_worker_sidekiq.rb
@@ -133,6 +133,11 @@ def add_replica_config
         Chef::Log.info('Rewrite Sidekiq database.yml for read-replica')
 
         deploy = node['deploy'][app['shortname']]
+        database = deploy['database']
+        replica_database = deploy['sidekiq_on_replica']&.dup
+        replica_database = database.dup if replica_database.nil?
+        replica_database[:replica] = true
+
         Chef::Log.info(deploy.inspect)
         context.template "#{deploy_dir(app)}/shared/config/database.yml" do
           source 'sidekiq_database.yml.erb'
@@ -141,9 +146,9 @@ def add_replica_config
           group node['deployer']['group']
           owner node['deployer']['user']
           variables(
-            database: deploy['database'],
+            database: database,
             environment: deploy['global']['environment'],
-            sidekiq_on_replica: deploy['sidekiq_on_replica']
+            sidekiq_on_replica: replica_database,
           )
         end
       end
diff --git a/sidekiq_custom/templates/default/sidekiq_database.yml.erb b/sidekiq_custom/templates/default/sidekiq_database.yml.erb
index d524580b..a2f81013 100644
--- a/sidekiq_custom/templates/default/sidekiq_database.yml.erb
+++ b/sidekiq_custom/templates/default/sidekiq_database.yml.erb
@@ -24,5 +24,8 @@
     <%- if @sidekiq_on_replica[:port] -%>
     port: <%= @sidekiq_on_replica[:port].to_i.inspect %>
     <%- end -%>
+    <%- if @sidekiq_on_replica[:replica] -%>
+    replica: true
+    <%- end -%>
   <% end -%>
 <%- end -%>