diff --git a/controllers/admin/AdminCartRulesController.php b/controllers/admin/AdminCartRulesController.php
index 9a0fddeb8..46dff7674 100644
--- a/controllers/admin/AdminCartRulesController.php
+++ b/controllers/admin/AdminCartRulesController.php
@@ -128,6 +128,8 @@ class AdminCartRulesControllerCore extends AdminController
 				$this->errors[] = Tools::displayError('Reduction amount cannot be lower than zero.');
 			if (Tools::getValue('code') && ($same_code = (int)CartRule::getIdByCode(Tools::getValue('code'))) && $same_code != Tools::getValue('id_cart_rule'))
 				$this->errors[] = sprintf(Tools::displayError('This cart rule code is already used (conflict with cart rule %d)'), $same_code);
+			if (Tools::getValue('apply_discount') == 'off' && !Tools::getValue('free_shipping') && !Tools::getValue('free_gift'))
+				$this->errors[] = Tools::displayError('An action is required for this cart rule.');
 		}
 
 		return parent::postProcess();