diff --git a/Helper/Order.php b/Helper/Order.php
index 7a6bae8..69dcd32 100755
--- a/Helper/Order.php
+++ b/Helper/Order.php
@@ -23,7 +23,7 @@ class Order
      */
     public function isPaazlOrder(OrderInterface $order)
     {
-        return $this->isPaazlShippingMethod($order->getShippingMethod());
+        return $this->isPaazlShippingMethod((string)$order->getShippingMethod());
     }
 
     /**
@@ -33,6 +33,9 @@ public function isPaazlOrder(OrderInterface $order)
      */
     public function isPaazlShippingMethod(string $shippingMethod)
     {
+        if (!$shippingMethod) {
+            return false;
+        }
         $params = explode('_', $shippingMethod, 2);
         return !empty($params[0]) && ($params[0] === Paazlshipping::CODE);
     }
diff --git a/Plugin/Quote/CartManagementPlugin.php b/Plugin/Quote/CartManagementPlugin.php
index 33d1008..d3f0ca2 100644
--- a/Plugin/Quote/CartManagementPlugin.php
+++ b/Plugin/Quote/CartManagementPlugin.php
@@ -66,7 +66,7 @@ public function beforePlaceOrder(
         }
 
         $shippingMethod = $quote->getShippingAddress()->getShippingMethod();
-        if (!$this->orderHelper->isPaazlShippingMethod($shippingMethod)) {
+        if (!$this->orderHelper->isPaazlShippingMethod((string)$shippingMethod)) {
             return null;
         }
 
diff --git a/Plugin/Tax/Config.php b/Plugin/Tax/Config.php
index ede3275..4adb405 100644
--- a/Plugin/Tax/Config.php
+++ b/Plugin/Tax/Config.php
@@ -80,7 +80,7 @@ public function afterShippingPriceIncludesTax(
         $cartId = $this->session->getData($this->getQuoteIdKey());
         $shippingMethod = $this->quoteAddressResource->getShippingMethodByQuoteId((int)$cartId);
         if ($shippingMethod
-            && $this->orderHelper->isPaazlShippingMethod($shippingMethod)
+            && $this->orderHelper->isPaazlShippingMethod((string)$shippingMethod)
             && $this->paazlConfig->isPriceIncludesTax($store)
         ) {
             return true;
diff --git a/composer.json b/composer.json
index c6da744..33e144e 100755
--- a/composer.json
+++ b/composer.json
@@ -2,7 +2,7 @@
   "name": "paazl/magento2-checkout-widget",
   "description": "Paazl checkoutWidget for Magento 2",
   "type": "magento2-module",
-  "version": "1.11.1",
+  "version": "1.11.2",
   "keywords": [
     "Paazl",
     "Magento 2",
diff --git a/etc/config.xml b/etc/config.xml
index 338ad8e..73de857 100644
--- a/etc/config.xml
+++ b/etc/config.xml
@@ -8,7 +8,7 @@
     <default>
         <carriers>
             <paazlshipping>
-                <version>v1.11.1</version>
+                <version>v1.11.2</version>
                 <active>0</active>
                 <sallowspecific>0</sallowspecific>
                 <price>0</price>