diff --git a/install-dev/upgrade/php/add_default_restrictions_modules_groups.php b/install-dev/upgrade/php/add_default_restrictions_modules_groups.php
index 7082be8e7..18988d4ea 100644
--- a/install-dev/upgrade/php/add_default_restrictions_modules_groups.php
+++ b/install-dev/upgrade/php/add_default_restrictions_modules_groups.php
@@ -27,6 +27,9 @@
 
 function add_default_restrictions_modules_groups()
 {
+	// Table module_group had another use in previous versions, we need to clean it up.
+	Db::getInstance()->executeS('TRUNCATE TABLE `'._DB_PREFIX_.'module_group`');
+
 	$groups = Db::getInstance()->executeS('
 		SELECT `id_group`
 		FROM `'._DB_PREFIX_.'group`');
@@ -45,7 +48,7 @@ function add_default_restrictions_modules_groups()
 			$sql = 'INSERT INTO `'._DB_PREFIX_.'module_group` (`id_module`, `id_shop`, `id_group`) VALUES ';
 			foreach ($modules as $mod)
 				foreach ($shops as $s)
-				$sql .= '("'.(int)$mod['id_module'].'", "'.(int)$s.'", "'.(int)$group['id_group'].'"),';
+					$sql .= '("'.(int)$mod['id_module'].'", "'.(int)$s.'", "'.(int)$group['id_group'].'"),';
 			// removing last comma to avoid SQL error
 			$sql = substr($sql, 0, strlen($sql) - 1);
 			Db::getInstance()->execute($sql);
diff --git a/install-dev/upgrade/sql/1.5.0.1.sql b/install-dev/upgrade/sql/1.5.0.1.sql
index 5cbd84279..0c2d209ea 100644
--- a/install-dev/upgrade/sql/1.5.0.1.sql
+++ b/install-dev/upgrade/sql/1.5.0.1.sql
@@ -208,7 +208,6 @@ ALTER TABLE `PREFIX_product` ADD `is_virtual` TINYINT( 1 ) NOT NULL DEFAULT '0'
 
 /* PHP:add_new_tab(AdminProducts, fr:Produits|es:Productos|en:Products|de:Produkten|it:Prodotti, 1); */;
 /* PHP:add_new_tab(AdminCategories, fr:Catégories|es:Categoria|en:Categories|de:Kategorien|it:Categories, 1); */;
-/* PHP:add_default_restrictions_modules_groups(); */;
 
 CREATE TABLE IF NOT EXISTS `PREFIX_employee_shop` (
 `id_employee` INT( 11 ) UNSIGNED NOT NULL ,
diff --git a/install-dev/upgrade/sql/1.5.0.12.sql b/install-dev/upgrade/sql/1.5.0.12.sql
index 064915f4a..96f85d39d 100644
--- a/install-dev/upgrade/sql/1.5.0.12.sql
+++ b/install-dev/upgrade/sql/1.5.0.12.sql
@@ -52,3 +52,4 @@ UPDATE `PREFIX_tab` SET `class_name`="AdminShopGroup" WHERE class_name="AdminGro
 
 /* PHP:upgrade_cms_15_rename(); */;
 /* PHP:migrate_tabs_multi_shop(); */;
+/* PHP:add_default_restrictions_modules_groups(); */;