diff --git a/classes/module/Module.php b/classes/module/Module.php
index 84aa206bc..af8430c6e 100644
--- a/classes/module/Module.php
+++ b/classes/module/Module.php
@@ -1254,8 +1254,9 @@ abstract class ModuleCore
 				FROM `'._DB_PREFIX_.'module_country` mc
 				LEFT JOIN `'._DB_PREFIX_.'module` m ON m.`id_module` = mc.`id_module`
 				INNER JOIN `'._DB_PREFIX_.'module_group` mg ON (m.`id_module` = mg.`id_module`)
-				INNER JOIN `'._DB_PREFIX_.'customer_group` cg on (cg.`id_group` = mg.`id_group`
-					'.(isset($context->customer) ? 'AND cg.`id_customer` = '.(int)$context->customer->id : '').')
+				'.(isset($context->customer)
+					? 'INNER JOIN `'._DB_PREFIX_.'customer_group` cg on (cg.`id_group` = mg.`id_group`AND cg.`id_customer` = '.(int)$context->customer->id.')'
+					: '').'
 				LEFT JOIN `'._DB_PREFIX_.'hook_module` hm ON hm.`id_module` = m.`id_module`
 				LEFT JOIN `'._DB_PREFIX_.'hook` h ON hm.`id_hook` = h.`id_hook`
 				WHERE h.`name` = \''.pSQL($hookPayment).'\'