diff --git a/crowdfunding_compassion/controllers/donation_controller.py b/crowdfunding_compassion/controllers/donation_controller.py
index 025ca71..a873aee 100644
--- a/crowdfunding_compassion/controllers/donation_controller.py
+++ b/crowdfunding_compassion/controllers/donation_controller.py
@@ -85,15 +85,14 @@ def post_donation_form(self, project, participant, amount, **post):
         if sale_order.state != "draft":
             request.session["sale_order_id"] = None
             sale_order = request.website.sale_get_order(force_create=True).sudo()
-        product = project.product_id
-        quantity = float(amount) / product.standard_price
-        price = product.standard_price
+        price = project.product_price
+        quantity = float(amount) / price
         if not quantity.is_integer():
             quantity = 1
             price = amount
 
         sale_order.add_donation(
-            product.id,
+            project.product_id.id,
             price,
             qty=quantity,
             participant_id=participant.id,
diff --git a/crowdfunding_compassion/models/crowdfunding_participant.py b/crowdfunding_compassion/models/crowdfunding_participant.py
index 261668e..857962b 100644
--- a/crowdfunding_compassion/models/crowdfunding_participant.py
+++ b/crowdfunding_compassion/models/crowdfunding_participant.py
@@ -122,8 +122,9 @@ def _compute_product_number_reached(self):
                 lambda line: line.payment_state == "paid"
             )
             price_total = sum(invl.mapped("price_total"))
-            standard_price = participant.project_id.product_id.standard_price or 1
-            participant.product_number_reached = round(price_total / standard_price)
+            participant.product_number_reached = round(
+                price_total / participant.project_id.product_price
+            )
 
     def _compute_sponsorships(self):
         for participant in self:
diff --git a/crowdfunding_compassion/models/crowdfunding_project.py b/crowdfunding_compassion/models/crowdfunding_project.py
index cb0799d..d230562 100644
--- a/crowdfunding_compassion/models/crowdfunding_project.py
+++ b/crowdfunding_compassion/models/crowdfunding_project.py
@@ -72,6 +72,9 @@ class CrowdfundingProject(models.Model):
         "Supported fund",
         domain=[("activate_for_crowdfunding", "=", True)],
     )
+    product_price = fields.Float(
+        compute="_compute_product_price", store=True, readonly=False
+    )
     product_number_goal = fields.Integer(
         "Product goal", compute="_compute_product_number_goal"
     )
@@ -207,6 +210,11 @@ def _compute_impact_text(self):
                 else product.crowdfunding_impact_text_passive_plural
             )
 
+    @api.depends("product_id")
+    def _compute_product_price(self):
+        for project in self:
+            project.product_price = project.product_id.standard_price or 1
+
     @api.model
     def create(self, vals):
         res = super().create(vals)
@@ -300,9 +308,7 @@ def _compute_product_number_reached(self):
         for project in self:
             price_total = results.get(project.id, 0)
             project.amount_reached = round(price_total)
-            project.product_number_reached = round(
-                price_total / (project.product_id.standard_price or 1)
-            )
+            project.product_number_reached = round(price_total / project.product_price)
 
     def _compute_number_sponsorships_goal(self):
         for project in self:
diff --git a/crowdfunding_compassion/views/crowdfunding_project_view.xml b/crowdfunding_compassion/views/crowdfunding_project_view.xml
index 17f830f..7512670 100644
--- a/crowdfunding_compassion/views/crowdfunding_project_view.xml
+++ b/crowdfunding_compassion/views/crowdfunding_project_view.xml
@@ -132,6 +132,10 @@
                         widget="many2one"
                       />
                                         </h3>
+                                        <label for="product_price" />
+                                        <h3>
+                                            <field name="product_price" />
+                                        </h3>
                                     </div>
                                     <div class="col">
                                         <label for="product_number_reached" />