diff --git a/sale_product_smart_buttons/__manifest__.py b/sale_product_smart_buttons/__manifest__.py
index 2d8b9a38a..db09350bd 100644
--- a/sale_product_smart_buttons/__manifest__.py
+++ b/sale_product_smart_buttons/__manifest__.py
@@ -2,7 +2,7 @@
 
 {
     'name': 'Sale Product Smart Buttons',
-    'version': '12.0.0.0.1',
+    'version': '13.0.0.0.1',
     'sequence': 1,
     'author': 'Serpent Consulting Services Pvt. Ltd.',
     'maintainer': 'Serpent Consulting Services Pvt. Ltd.',
@@ -20,7 +20,7 @@
     'license': 'AGPL-3',
     'depends': ['sale_management'],
     'data': [
-            'views/product_view.xml',
+        'views/product_view.xml',
     ],
     'installable': True,
     'application': False,
diff --git a/sale_product_smart_buttons/models/product.py b/sale_product_smart_buttons/models/product.py
index b018afd92..d3cddfef1 100644
--- a/sale_product_smart_buttons/models/product.py
+++ b/sale_product_smart_buttons/models/product.py
@@ -6,12 +6,11 @@
 class ProductTemplate(models.Model):
     _inherit = 'product.template'
 
-    @api.multi
     @api.depends('product_variant_ids.sales_amt')
     def _sales_amt(self):
         for product in self:
             product.sales_amt = sum([p.sales_amt
-                               for p in product.product_variant_ids])
+                                     for p in product.product_variant_ids])
 
     sales_amt = fields.Float(compute='_sales_amt', string='Sales amt')
 
@@ -19,20 +18,23 @@ def _sales_amt(self):
 class ProductProduct(models.Model):
     _inherit = 'product.product'
 
-    @api.multi
     def _sales_amt(self):
         res = {}
         amt = 0.00
+        sales_amount = 0.0
         domain = [
             ('order_id.state', 'in', ['sale', 'done']),
             ('product_id', 'in', self.ids),
         ]
         order_lines = self.env['sale.order.line'].search(domain)
+
         for line in order_lines:
             amt += line.price_subtotal
             res[line.product_id.id] = {'amt': amt}
         for product in self:
             if res:
-                product.sales_amt = res.get(product.id, 0).get('amt', 0)
+                sales_amount = res[product.id].get(
+                    'amt', 0.0) if product.id in res else 0.0
+        self.sales_amt = sales_amount
 
     sales_amt = fields.Float(compute='_sales_amt', string='# Sales amt')
diff --git a/sale_product_smart_buttons/static/description/icecream.png b/sale_product_smart_buttons/static/description/icecream.png
new file mode 100644
index 000000000..c1070a24a
Binary files /dev/null and b/sale_product_smart_buttons/static/description/icecream.png differ
diff --git a/sale_product_smart_buttons/static/description/index.html b/sale_product_smart_buttons/static/description/index.html
index 4a22a8ab8..dfe4587f1 100644
--- a/sale_product_smart_buttons/static/description/index.html
+++ b/sale_product_smart_buttons/static/description/index.html
@@ -7,7 +7,7 @@
         </div> 
         <div class="oe_span12">
             <div class="oe_demo oe_picture oe_screenshot">
-                    <img src="sales_smart_button.png">
+                    <img src="icecream.png">
             </div>
         </div>
     </div>
diff --git a/sale_product_smart_buttons/static/description/sales_smart_button.png b/sale_product_smart_buttons/static/description/sales_smart_button.png
deleted file mode 100644
index dc1f8f2f5..000000000
Binary files a/sale_product_smart_buttons/static/description/sales_smart_button.png and /dev/null differ