diff --git a/sale_kit_description/models/sale_order_line.py b/sale_kit_description/models/sale_order_line.py
index a6ad5aa5..0b7e63b3 100644
--- a/sale_kit_description/models/sale_order_line.py
+++ b/sale_kit_description/models/sale_order_line.py
@@ -4,11 +4,9 @@
 class SaleOrderLine(models.Model):
     _inherit = "sale.order.line"
 
-    @api.onchange("product_id")
-    def _onchange_sale_description_product_id(self):
-
+    def _set_bom_description(self):
+        """Helper method to set the description based on BOM."""
         if self.product_id and self.product_id.bom_ids:
-
             bom = self.env["mrp.bom"].search(
                 [
                     ("product_tmpl_id", "=", self.product_id.product_tmpl_id.id),
@@ -19,14 +17,24 @@ def _onchange_sale_description_product_id(self):
             )
 
             if bom:
-                self.name = self.product_id.name
-
-                bom_lines = bom.bom_line_ids
-
-                description_lines = [self.name]
-                for line in bom_lines:
-                    description_line = f"""- {line.product_id.name} \
-{line.product_qty} {line.product_uom_id.name}"""
-                    description_lines.append(description_line)
-
+                description_lines = [self.product_id.name]
+                description_lines += [
+                    f"- {line.product_id.name} {line.product_qty} {line.product_uom_id.name}"
+                    for line in bom.bom_line_ids
+                ]
                 self.name = "\n".join(description_lines)
+
+    @api.onchange("product_id")
+    def _onchange_sale_description_product_id(self):
+        """Onchange method to update description when product is changed."""
+        self._set_bom_description()
+
+    @api.model
+    def create(self, vals):
+        """Override create method to set the description for new sale order lines."""
+        sale_order_line = super().create(vals)
+        if "product_id" in vals:
+            product_id = self.env["product.product"].browse(vals["product_id"])
+            if product_id and product_id.bom_ids:
+                sale_order_line._set_bom_description()
+        return sale_order_line