diff --git a/addons/sale_project/models/project.py b/addons/sale_project/models/project.py
index 3ee1418ed65..0e73eb769f5 100644
--- a/addons/sale_project/models/project.py
+++ b/addons/sale_project/models/project.py
@@ -100,7 +100,7 @@ class Project(models.Model):
                 'icon': 'dollar',
                 'text': _('Sales Order'),
                 'action_type': 'object',
-                'action': 'action_view_so',
+                'action': 'action_view_sos',
                 'show': bool(self.sale_order_id),
                 'sequence': 1,
             })