diff --git a/app/controllers/account_controller.rb b/app/controllers/account_controller.rb
index f67f1be0c..88ac41b0f 100644
--- a/app/controllers/account_controller.rb
+++ b/app/controllers/account_controller.rb
@@ -10,7 +10,7 @@ class AccountController < ApplicationController
     if @account.update(account_params)
       redirect_to account_path, notice: t("flash.actions.save_changes.notice")
     else
-      @account.errors.messages.delete(:organization)
+      @account.errors.delete(:organization)
       render :show
     end
   end
diff --git a/app/controllers/organizations/registrations_controller.rb b/app/controllers/organizations/registrations_controller.rb
index 7b37ee7c2..544432a84 100644
--- a/app/controllers/organizations/registrations_controller.rb
+++ b/app/controllers/organizations/registrations_controller.rb
@@ -13,7 +13,7 @@ class Organizations::RegistrationsController < Devise::RegistrationsController
     if resource.valid?
       super do |user|
         # Removes unuseful "organization is invalid" error message
-        user.errors.messages.delete(:organization)
+        user.errors.delete(:organization)
       end
     else
       render :new