diff --git a/controllers/admin/AdminCategoriesController.php b/controllers/admin/AdminCategoriesController.php
index e7a4ea71c..0a512abd5 100644
--- a/controllers/admin/AdminCategoriesController.php
+++ b/controllers/admin/AdminCategoriesController.php
@@ -146,7 +146,7 @@ class AdminCategoriesControllerCore extends AdminController
 		if (Shop::isFeatureActive() && Shop::getContext() != Shop::CONTEXT_SHOP)
 			unset($this->fields_list['position']);
 		// shop restriction : if category is not available for current shop, we redirect to the list from default category
-		if (!$this->_category->isAssociatedToShop() && Shop::getContext() == Shop::CONTEXT_SHOP)
+		if (Validate::isLoadedObject($this->_category) && !$this->_category->isAssociatedToShop() && Shop::getContext() == Shop::CONTEXT_SHOP)
 		{
 			$this->redirect_after = self::$currentIndex.'&id_category='.(int)$this->context->shop->getCategory().'&token='.$this->token;
 			$this->redirect();