diff --git a/CHANGELOG.md b/CHANGELOG.md
index bd68904..e3174c6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,12 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/).
 
 ## Released
 
+## [1.3.6](https://github.com/kabisa/wuunder-webshopplugin-prestashop/releases/tag/1.3.6)
+
+### Fixed
+- Parcelshop carrier install settings
+- No longer overwrite default carrier's rates
+
 ## [1.3.5](https://github.com/kabisa/wuunder-webshopplugin-prestashop/releases/tag/1.3.5)
 
 ### Fixed
diff --git a/wuunderconnector/classes/WuunderCarrier.php b/wuunderconnector/classes/WuunderCarrier.php
index 89ff3a1..2d81d7b 100644
--- a/wuunderconnector/classes/WuunderCarrier.php
+++ b/wuunderconnector/classes/WuunderCarrier.php
@@ -81,15 +81,13 @@ public function install()
         $carrierConfig = array(
             0 => array(
                 'name' => $this->l('Wuunder parcelshop'),
-                'id_tax_rules_group' => 0,
                 'active' => true,
                 'deleted' => 0,
                 'shipping_handling' => false,
                 'range_behavior' => 0,
                 'delay' => array('nl' => 'Haal uw pakket op bij een pakketpunt in de buurt!', 'en' => 'Collect your package at a nearby parcelshop!', Language::getIsoById(Configuration::get('PS_LANG_DEFAULT')) => 'Collect your package at a nearby parcelshop!'),
-                'id_zone' => 1,
-                'is_module' => true,
-                'shipping_external' => true,
+                'is_module' => false,
+                'shipping_external' => false,
                 'external_module_name' => 'Wuunder_parcelshop_locator',
                 'need_range' => true,
             ),
@@ -213,8 +211,8 @@ public static function installExternalCarrier($config)
             } else {
                 foreach ($zones as $zone) {
                     Db::getInstance()->insert('carrier_zone', array('id_carrier' => (int)($carrier->id), 'id_zone' => (int)($zone['id_zone'])));
-                    Db::getInstance()->update('delivery', array('id_carrier' => (int)($carrier->id), 'id_range_price' => (int)($rangePrice->id), 'id_range_weight' => null, 'id_zone' => (int)($zone['id_zone']), 'price' => pSQL('0')));
-                    Db::getInstance()->update('delivery', array('id_carrier' => (int)($carrier->id), 'id_range_price' => pSQL(null), 'id_range_weight' => (int)($rangeWeight->id), 'id_zone' => (int)($zone['id_zone']), 'price' => pSQL('0')));
+                    Db::getInstance()->insert('delivery', array('id_carrier' => (int)($carrier->id), 'id_range_price' => (int)($rangePrice->id), 'id_range_weight' => null, 'id_zone' => (int)($zone['id_zone']), 'price' => pSQL('0')));
+                    Db::getInstance()->insert('delivery', array('id_carrier' => (int)($carrier->id), 'id_range_price' => pSQL(null), 'id_range_weight' => (int)($rangeWeight->id), 'id_zone' => (int)($zone['id_zone']), 'price' => pSQL('0')));
                 }
             }
 
diff --git a/wuunderconnector/controllers/admin/AdminWuunderConnector.php b/wuunderconnector/controllers/admin/AdminWuunderConnector.php
index 277de59..f2b3073 100644
--- a/wuunderconnector/controllers/admin/AdminWuunderConnector.php
+++ b/wuunderconnector/controllers/admin/AdminWuunderConnector.php
@@ -132,7 +132,16 @@ private function getOrderProductDetails($product_id)
         $sql = 'SELECT  ' . ((_PS_VERSION_ < "1.7") ? pSQL(implode(', ', $fieldlist)) : implode(', ', $fieldlist)) . '
                     FROM    ' . _DB_PREFIX_ . 'product
                     WHERE   id_product=' . (int)$product_id;
-        return Db::getInstance()->ExecuteS($sql)[0];
+        $res = Db::getInstance()->ExecuteS($sql);
+        if($res && !empty($res) && isset($res[0])){
+            return $res[0];
+        }
+        return array(
+            'depth' => 0,
+            'width' => 0,
+            'height' => 0
+        );
+
     }
 
     public function getOrderState($params, $_)