diff --git a/devops-service/app/api2/handlers/project.rb b/devops-service/app/api2/handlers/project.rb
index 58a9b07..3bd24a8 100644
--- a/devops-service/app/api2/handlers/project.rb
+++ b/devops-service/app/api2/handlers/project.rb
@@ -119,7 +119,7 @@ module Devops
         def update_project_users id
           deploy_env, users = parser.project_users
           project = Devops::Db.connector.project(id)
-          Validators::Helpers::Users.new(run_list).validate!
+          Validators::Helpers::Users.new(users).validate!
           project.add_authorized_user users, deploy_env
           info = "Users '#{users.join("', '")}' has been added to '#{id}' project's authorized users."
           info