diff --git a/models/product_template.py b/models/product_template.py
index 1a24ffc09a84a9e163fa8e2b049921cfbaade542..42e8761ba6be4a8947ccb77594c759c2892941f1 100644
--- a/models/product_template.py
+++ b/models/product_template.py
@@ -18,7 +18,7 @@ class ProductTemplate(models.Model):
     # ------------------------------------------------------
     # Fields declaration
     # ------------------------------------------------------
-    nb_accesories = fields.Float("Nombre d'accéssoires")
+    nb_accesories = fields.Float(f"Nombre d'accessoires")
     accessory_label = fields.Char(
         related="categ_id.accessory_label", readonly=True
     )
diff --git a/models/sale_intervention.py b/models/sale_intervention.py
index aec1d02ee1aa9cb89d3fb482da2e82a92f8156be..ecafe2fc21b4f8539ca502bcaa23c396ea9a84f1 100644
--- a/models/sale_intervention.py
+++ b/models/sale_intervention.py
@@ -138,6 +138,11 @@ class SaleIntervention(models.Model):
         readonly=True,
         states={"draft": [("readonly", False)], "sent": [("readonly", False)]},
     )
+    mulch_staples_qty = fields.Integer(
+        "Nombre d'agrafes par dalle",
+        readonly=True,
+        states={"draft": [("readonly", False)], "sent": [("readonly", False)]},
+    )
 
     mulch2_id = fields.Many2one(
         comodel_name="product.template",
@@ -165,6 +170,11 @@ class SaleIntervention(models.Model):
         readonly=True,
         states={"draft": [("readonly", False)], "sent": [("readonly", False)]},
     )
+    mulch2_staples_qty = fields.Integer(
+        "Nombre d'agrafes par dalle",
+        readonly=True,
+        states={"draft": [("readonly", False)], "sent": [("readonly", False)]},
+    )
 
     # High protection
     high_protection_id = fields.Many2one(
@@ -493,6 +503,13 @@ class SaleIntervention(models.Model):
                     plant.qty for plant in rec.plant_list_ids if plant.is_local
                 )
 
+            if rec.mulch_has_staples:
+                if rec.mulch_id.nb_accesories:
+                    mulch_staples_qty = rec.mulch_id.nb_accesories
+                    rec.mulch_staples_qty = mulch_staples_qty
+            else:
+                rec.mulch_staples_qty = 2
+
             rec.plants_qty = plants_qty
             rec.plant_qty_per_seq = plant_qty_per_seq
             rec.full_seq_qty = full_seq_qty
@@ -503,6 +520,23 @@ class SaleIntervention(models.Model):
     # ------------------------------------------------------
     # Onchange / Constraints
     # ------------------------------------------------------
+
+    @api.onchange("mulch_has_staples")
+    def _onchange_mulch_has_staples(self):
+        if self.mulch_has_staples:
+            if self.mulch_id.nb_accesories:
+                self.mulch_staples_qty = self.mulch_id.nb_accesories
+        else:
+            self.mulch_staples_qty = 2
+
+    @api.onchange("mulch2_has_staples")
+    def _onchange_mulch2_has_staples(self):
+        if self.mulch2_has_staples:
+            if self.mulch2_id.nb_accesories:
+                self.mulch2_staples_qty = self.mulch2_id.nb_accesories
+        else:
+            self.mulch2_staples_qty = 2
+
     @api.onchange("intervention_length", "plant_interval")
     def _onchange_length(self):
         if self.intervention_uom_name == "m" and self.plant_interval > 0:
@@ -708,13 +742,14 @@ class SaleIntervention(models.Model):
                         partners.append(partner)
 
                     # Staples
-                    if rec.mulch_has_staples or rec.mulch2_has_staples:
+                    if rec.mulch_has_staples:
                         products.append(staples_product_id)
-                        if rec.mulch_id.nb_accesories:
-                            staples_multipier = rec.mulch_id.nb_accesories
-                        else:
-                            staples_multipier = 2
-                        quantities.append(rec.mulch_qty * staples_multipier or 0)
+                        quantities.append(rec.mulch_qty * rec.mulch_staples_qty or 0)
+                        partners.append(partner)
+
+                    if rec.mulch2_has_staples:
+                        products.append(staples_product_id)
+                        quantities.append(rec.mulch2_qty * rec.mulch2_staples_qty or 0)
                         partners.append(partner)
 
                     # High Protections
@@ -869,20 +904,15 @@ class SaleIntervention(models.Model):
                     }
                 )
                 if self.mulch_has_staples:
-                    if self.mulch_id.nb_accesories:
-                        staples_multipier = self.mulch_id.nb_accesories
-                    else:
-                        staples_multipier = 2
                     data.append(
                         {
                             "sale_intervention_id": self.id,
                             "product_id": staples_product_id.product_variant_id.id,
-                            "product_uom_qty": self.mulch_qty * staples_multipier,
+                            "product_uom_qty": self.mulch_qty * self.mulch_staples_qty,
                             "price_unit": self.staple1_price,
                         }
                     )
             if self.mulch2_id and self.mulch2_qty > 0:
-
                 data.append(
                     {
                         "sale_intervention_id": self.id,
@@ -892,15 +922,12 @@ class SaleIntervention(models.Model):
                     }
                 )
                 if self.mulch2_has_staples:
-                    if self.mulch2_id.nb_accesories:
-                        staples_2_multipier = self.mulch2_id.nb_accesories
-                    else:
-                        staples_2_multipier = 2
                     data.append(
                         {
                             "sale_intervention_id": self.id,
                             "product_id": staples_product_id.product_variant_id.id,
-                            "product_uom_qty": self.mulch2_qty * staples_2_multipier,
+                            "product_uom_qty": self.mulch2_qty
+                            * self.mulch2_staples_qty,
                             "price_unit": self.staple2_price,
                         }
                     )
diff --git a/views/sale_intervention_view.xml b/views/sale_intervention_view.xml
index bc1957e9c1877daabe17987487087809af07b470..d844bccff5d29bc53402ef518032f626f44a342e 100644
--- a/views/sale_intervention_view.xml
+++ b/views/sale_intervention_view.xml
@@ -124,6 +124,10 @@
                                     string="Avec agrafes"
                                     attrs="{'invisible': [('mulch_id', '=', False)]}"
                                 />
+                                <field
+                                    name="mulch_staples_qty"
+                                    attrs="{'invisible': [('mulch_has_staples', '=', False)]}"
+                                />
                             </group>
                             <group
                                 name="mulch2"
@@ -147,6 +151,10 @@
                                     string="Avec agrafes"
                                     attrs="{'invisible': [('mulch2_id', '=', False)]}"
                                 />
+                                <field
+                                    name="mulch2_staples_qty"
+                                    attrs="{'invisible': [('mulch2_has_staples', '=', False)]}"
+                                />
                             </group>
                         </group>
                         <group name="high_protection">