diff --git a/product_sale_price_from_pricelist/models/product_template.py b/product_sale_price_from_pricelist/models/product_template.py
index 4bb23a4..894de69 100644
--- a/product_sale_price_from_pricelist/models/product_template.py
+++ b/product_sale_price_from_pricelist/models/product_template.py
@@ -46,6 +46,18 @@ class ProductTemplate(models.Model):
         company_dependent=True,
     )
 
+    price_differs = fields.Boolean(
+        string="Price Differs", compute="_compute_price_differs", store=True
+    )
+
+    @api.depends("list_price", "list_price_theoritical")
+    def _compute_price_differs(self):
+        for product in self:
+            product.price_differs = (
+                product.list_price != product.list_price_theoritical
+                and product.last_purchase_price_compute_type != "manual_update"
+            )
+
     def _compute_theoritical_price(self):
         pricelist_obj = self.env["product.pricelist"]
         pricelist_id = (
@@ -89,7 +101,9 @@ class ProductTemplate(models.Model):
                     template.write(
                         {
                             "list_price_theoritical": price_with_taxes,
-                            "last_purchase_price_updated": True,
+                            "last_purchase_price_updated": (
+                                price_with_taxes != template.list_price
+                            ),
                         }
                     )
         else:
diff --git a/product_sale_price_from_pricelist/views/product_view.xml b/product_sale_price_from_pricelist/views/product_view.xml
index 1d1a277..2932212 100644
--- a/product_sale_price_from_pricelist/views/product_view.xml
+++ b/product_sale_price_from_pricelist/views/product_view.xml
@@ -60,8 +60,10 @@
           <filter string="To update sales price"
             name="products_updated_filter"
             domain="[('last_purchase_price_updated', '=', True), ('last_purchase_price_compute_type', '!=', 'manual_update')]"
-            help="Products that have recently changed their cost price and have not updated their selling price."
-            icon="terp-project"
+          />
+          <filter string="Different Theoritical Price"
+            name="products_diff_theoritical_filter"
+            domain="[('price_differs', '=', True)]"
           />
         </xpath>
       </field>