diff --git a/app/controllers/management/base_controller.rb b/app/controllers/management/base_controller.rb
index 6ee5451f4..bced745b4 100644
--- a/app/controllers/management/base_controller.rb
+++ b/app/controllers/management/base_controller.rb
@@ -13,7 +13,7 @@ class Management::BaseController < ActionController::Base
     end
 
     def current_manager
-      session["manager"]
+      session[:manager]
     end
 
     def managed_user
diff --git a/app/controllers/management/sessions_controller.rb b/app/controllers/management/sessions_controller.rb
index 9fde47828..bad38663e 100644
--- a/app/controllers/management/sessions_controller.rb
+++ b/app/controllers/management/sessions_controller.rb
@@ -5,7 +5,7 @@ class Management::SessionsController < ActionController::Base
   def create
     destroy_session
     if manager = ManagerAuthenticator.new(params).auth
-      session["manager"] = manager
+      session[:manager] = manager
       redirect_to management_root_path
     else
       raise ActionController::RoutingError.new('Not Found')
diff --git a/app/controllers/management/users_controller.rb b/app/controllers/management/users_controller.rb
index 9730e34bc..53c432fd1 100644
--- a/app/controllers/management/users_controller.rb
+++ b/app/controllers/management/users_controller.rb
@@ -30,7 +30,7 @@ class Management::UsersController < Management::BaseController
     end
 
     def destroy_session
-      session[:document_type] =   nil
+      session[:document_type] = nil
       session[:document_number] = nil
     end