diff --git a/models/product_category.py b/models/product_category.py
index 28593e32a4c02b51fc192a40a80b419ff1b1639b..c2330f95f4c669b0ef60586e9b982678803a8a85 100644
--- a/models/product_category.py
+++ b/models/product_category.py
@@ -12,10 +12,6 @@ class ProductCategory(models.Model):
     # ------------------------------------------------------
     symbol = fields.Char("Symbole")
     accessory_label = fields.Char("Nom de l'accessoire associé")
-    mulch_quantity_multiplier = fields.Integer(
-        "Multiplicateur paillage",
-        default=1
-    )
 
     # ------------------------------------------------------
     # SQL Constraints
diff --git a/models/product_template.py b/models/product_template.py
index d991d840461c50e69498180ad5e2f4478c47ba66..b67b60fa4b7883ff9730f4f181fd60c68c11b18f 100644
--- a/models/product_template.py
+++ b/models/product_template.py
@@ -14,7 +14,8 @@ class ProductTemplate(models.Model):
         related="categ_id.accessory_label", readonly=True
     )
     mulch_quantity_multiplier = fields.Integer(
-        related="categ_id.mulch_quantity_multiplier", readonly=True
+        "Multiplicateur paillage",
+        default=1
     )
 
     # ------------------------------------------------------
diff --git a/views/product_template_views.xml b/views/product_template_views.xml
index 104603e1b3b0966b2a11833501f0ad03336ccafa..31b5080f097de04f4663f078576d24c6b3cbfccf 100644
--- a/views/product_template_views.xml
+++ b/views/product_template_views.xml
@@ -10,12 +10,6 @@
                     <field name="symbol" />
                     <field name="accessory_label" />
                     <field name="name" />
-
-                    <t t-if="record.name == 'Paillage'">
-                        <div>
-                            <field name="mulch_quantity_multiplier" />
-                        </div>
-                    </t>
                 </field>
             </field>
         </record>
@@ -48,6 +42,9 @@
                         </tbody>
                     </table>
                 </xpath>
+                 <field name="categ_id" position="after">
+                     <field name="mulch_quantity_multiplier" attrs="{'invisible': [('categ_id', '!=', %(product_category_mulch)d)]}"/>
+                 </field>
             </field>
         </record>