diff --git a/devops-service/lib/executors/server_executor.rb b/devops-service/lib/executors/server_executor.rb
index c507464..58c3756 100644
--- a/devops-service/lib/executors/server_executor.rb
+++ b/devops-service/lib/executors/server_executor.rb
@@ -65,7 +65,7 @@ module Devops
           @out.flush
           DevopsLogger.logger.info "Server with parameters: #{@server.to_hash.inspect} is running"
           unless options["without_bootstrap"]
-            @server.run_list = Set.new.merge(@project.run_list).merge(@deploy_env.run_list).merge(@server.run_list)
+            @server.run_list = Set.new.merge(@project.run_list).merge(@deploy_env.run_list).merge(@server.run_list).to_a
             @server.chef_node_name = provider.create_default_chef_node_name(@server) if @server.chef_node_name.nil?
             bootstrap_options = {
               bootstrap_template: i.bootstrap_template