diff --git a/packages/Webkul/Product/src/Models/ProductAttributeValue.php b/packages/Webkul/Product/src/Models/ProductAttributeValue.php
index 942fa2142..8c4e1c1ef 100755
--- a/packages/Webkul/Product/src/Models/ProductAttributeValue.php
+++ b/packages/Webkul/Product/src/Models/ProductAttributeValue.php
@@ -11,8 +11,6 @@ class ProductAttributeValue extends Model implements ProductAttributeValueContra
 {
     public $timestamps = false;
 
-    // protected $with = ['attribute'];
-
     /**
      * @var array
      */
diff --git a/packages/Webkul/Product/src/Type/AbstractType.php b/packages/Webkul/Product/src/Type/AbstractType.php
index 7f8864800..aec1c610a 100644
--- a/packages/Webkul/Product/src/Type/AbstractType.php
+++ b/packages/Webkul/Product/src/Type/AbstractType.php
@@ -162,7 +162,7 @@ abstract class AbstractType
             if (! isset($data[$attribute->code]) || (in_array($attribute->type, ['date', 'datetime']) && ! $data[$attribute->code]))
                 continue;
 
-            if ($attribute->type == 'multiselect')
+            if ($attribute->type == 'multiselect' || $attribute->type == 'checkbox')
                 $data[$attribute->code] = implode(",", $data[$attribute->code]);
 
             if ($attribute->type == 'image' || $attribute->type == 'file') {