diff --git a/addons/sale_project/models/sale_order_line.py b/addons/sale_project/models/sale_order_line.py
index ff3c661f047..c1accbb7229 100644
--- a/addons/sale_project/models/sale_order_line.py
+++ b/addons/sale_project/models/sale_order_line.py
@@ -37,10 +37,14 @@ class SaleOrderLine(models.Model):
                 except AccessError:
                     del res['order_id']
 
-            if 'order_id' in fields and 'order_id' not in res:
+            if 'order_id' in fields and not res.get('order_id'):
                 assert (partner_id := self.env.context.get('default_partner_id'))
                 project_id = self.env.context.get('link_to_project')
                 sale_order = None
+                so_create_values = {
+                    'partner_id': partner_id,
+                    'company_id': self.env.context.get('default_company_id') or self.env.company.id,
+                }
                 if project_id:
                     try:
                         project_so = self.env['project.project'].browse(project_id).sale_order_id
@@ -48,21 +52,10 @@ class SaleOrderLine(models.Model):
                         sale_order = project_so
                     except AccessError:
                         pass
-
                     if not sale_order:
-                        so_create_values = {
-                            'partner_id': partner_id,
-                            'project_ids': [Command.link(project_id)],
-                        }
-                else:
-                    so_create_values = {
-                        'partner_id': partner_id,
-                    }
+                        so_create_values['project_ids'] = [Command.link(project_id)]
 
                 if not sale_order:
-                    company_id = self.env.context.get('defaut_company_id', False)
-                    if company_id:
-                        so_create_values['company_id'] = company_id
                     sale_order = self.env['sale.order'].create(so_create_values)
                     sale_order.action_confirm()
                 default_values['order_id'] = sale_order.id
diff --git a/addons/sale_project/views/project_task_views.xml b/addons/sale_project/views/project_task_views.xml
index 1c727a7f5c0..7c879808b15 100644
--- a/addons/sale_project/views/project_task_views.xml
+++ b/addons/sale_project/views/project_task_views.xml
@@ -117,7 +117,7 @@
                     invisible="not allow_billable or not partner_id"/>
                 <field name="sale_line_id"
                     groups="sales_team.group_sale_salesman"
-                    options="{'no_create': True, 'no_edit': True, 'delete': False}"
+                    options="{'no_edit': True, 'delete': False}"
                     invisible="not allow_billable or not partner_id"
                     context="{
                         'form_view_ref': 'sale_project.sale_order_line_view_form_editable',
@@ -172,7 +172,6 @@
                 <field name="sale_line_id"
                     groups="sales_team.group_sale_salesman"
                     string="Sales Order Item"
-                    options='{"no_create": True}'
                     context="{
                         'create': False, 'edit': False, 'delete': False,
                         'with_price_unit': True,