diff --git a/packages/Webkul/Checkout/src/Cart.php b/packages/Webkul/Checkout/src/Cart.php
index 73042aa0e..0c0736029 100755
--- a/packages/Webkul/Checkout/src/Cart.php
+++ b/packages/Webkul/Checkout/src/Cart.php
@@ -446,6 +446,10 @@ class Cart
             return false;
         }
 
+        if (! array_key_exists($shippingMethodCode, Shipping::getShippingMethods())) {
+            return false;
+        }
+
         $cart->shipping_method = $shippingMethodCode;
         $cart->save();
 
diff --git a/packages/Webkul/Shipping/src/Carriers/AbstractShipping.php b/packages/Webkul/Shipping/src/Carriers/AbstractShipping.php
index 1639ba39c..1886f6409 100755
--- a/packages/Webkul/Shipping/src/Carriers/AbstractShipping.php
+++ b/packages/Webkul/Shipping/src/Carriers/AbstractShipping.php
@@ -4,10 +4,24 @@ namespace Webkul\Shipping\Carriers;
 
 abstract class AbstractShipping
 {
+    /**
+     * Shipping method carrier code
+     *
+     * @var string
+     */
+    protected $code;
+
+    /**
+     * Shipping method code
+     *
+     * @var string
+     */
+    protected $method;
+
     abstract public function calculate();
 
     /**
-     * Checks if payment method is available
+     * Checks if shipping method is available
      *
      * @return array
      */
@@ -17,7 +31,7 @@ abstract class AbstractShipping
     }
 
     /**
-     * Returns payment method code
+     * Returns shipping method code
      *
      * @return array
      */
@@ -30,8 +44,17 @@ abstract class AbstractShipping
         return $this->code;
     }
 
+    public function getMethod()
+    {
+        if (empty($this->method)) {
+            // throw exception
+        }
+
+        return $this->method;
+    }
+
     /**
-     * Returns payment method title
+     * Returns shipping method title
      *
      * @return array
      */
@@ -41,7 +64,7 @@ abstract class AbstractShipping
     }
 
     /**
-     * Returns payment method decription
+     * Returns shipping method description
      *
      * @return array
      */
@@ -51,10 +74,9 @@ abstract class AbstractShipping
     }
 
     /**
-     * Retrieve information from payment configuration
+     * Retrieve information from shipping configuration
      *
-     * @param  string  $field
-     * @param  int|string|null  $channelId
+     * @param string $field
      * @return mixed
      */
     public function getConfigData($field)
diff --git a/packages/Webkul/Shipping/src/Carriers/FlatRate.php b/packages/Webkul/Shipping/src/Carriers/FlatRate.php
index 5d342aa03..4e2a5e20e 100755
--- a/packages/Webkul/Shipping/src/Carriers/FlatRate.php
+++ b/packages/Webkul/Shipping/src/Carriers/FlatRate.php
@@ -14,11 +14,18 @@ use Webkul\Checkout\Facades\Cart;
 class FlatRate extends AbstractShipping
 {
     /**
-     * Payment method code
+     * Shipping method carrier code
      *
      * @var string
      */
-    protected $code  = 'flatrate';
+    protected $code = 'flatrate';
+
+    /**
+     * Shipping method code
+     *
+     * @var string
+     */
+    protected $method = 'flatrate_flatrate';
 
     /**
      * Returns rate for flatrate
@@ -37,7 +44,7 @@ class FlatRate extends AbstractShipping
 
         $object->carrier = 'flatrate';
         $object->carrier_title = $this->getConfigData('title');
-        $object->method = 'flatrate_flatrate';
+        $object->method = $this->method;
         $object->method_title = $this->getConfigData('title');
         $object->method_description = $this->getConfigData('description');
         $object->is_calculate_tax = $this->getConfigData('is_calculate_tax');
diff --git a/packages/Webkul/Shipping/src/Carriers/Free.php b/packages/Webkul/Shipping/src/Carriers/Free.php
index a90b053bb..7704d5bf6 100755
--- a/packages/Webkul/Shipping/src/Carriers/Free.php
+++ b/packages/Webkul/Shipping/src/Carriers/Free.php
@@ -13,11 +13,18 @@ use Webkul\Shipping\Facades\Shipping;
 class Free extends AbstractShipping
 {
     /**
-     * Payment method code
+     * Shipping method carrier code
      *
      * @var string
      */
-    protected $code  = 'free';
+    protected $code = 'free';
+
+    /**
+     * Shipping method code
+     *
+     * @var string
+     */
+    protected $method = 'free_free';
 
     /**
      * Returns rate for flatrate
diff --git a/packages/Webkul/Shipping/src/Shipping.php b/packages/Webkul/Shipping/src/Shipping.php
index 3d1dc7151..aaac7e124 100755
--- a/packages/Webkul/Shipping/src/Shipping.php
+++ b/packages/Webkul/Shipping/src/Shipping.php
@@ -130,8 +130,9 @@ class Shipping
                 continue;
             }
 
-            $methods[] = [
-                'method'       => $object->getCode(),
+            $methods[$object->getMethod()] = [
+                'code'         => $object->getCode(),
+                'method'       => $object->getMethod(),
                 'method_title' => $object->getTitle(),
                 'description'  => $object->getDescription()
             ];