diff --git a/addons/project/models/project_project.py b/addons/project/models/project_project.py
index 4f1f6cb0854..dd6556f341f 100644
--- a/addons/project/models/project_project.py
+++ b/addons/project/models/project_project.py
@@ -16,7 +16,7 @@ from .project_task import CLOSED_STATES
 class Project(models.Model):
     _name = "project.project"
     _description = "Project"
-    _inherit = ['portal.mixin', 'mail.alias.mixin', 'mail.thread', 'mail.activity.mixin', 'rating.parent.mixin']
+    _inherit = ['portal.mixin', 'mail.alias.mixin', 'rating.parent.mixin', 'mail.thread', 'mail.activity.mixin']
     _order = "sequence, name, id"
     _rating_satisfaction_days = 30  # takes 30 days by default
     _check_company_auto = True
diff --git a/addons/project/tests/test_project_base.py b/addons/project/tests/test_project_base.py
index 1807f83fcb0..b1f417db3bb 100644
--- a/addons/project/tests/test_project_base.py
+++ b/addons/project/tests/test_project_base.py
@@ -226,3 +226,19 @@ class TestProjectBase(TestProjectCommon):
         self.assertEqual(ProjectTask.search([('project_root_id', '=?', project.id)]), tasks)
         self.assertEqual(ProjectTask.search([('project_root_id', 'not in', other_projects.ids), ('id', 'in', tasks.ids)]), tasks)
         self.assertEqual(ProjectTask.search([('project_root_id', '!=', self.project_pigs.id), ('id', 'in', tasks.ids)]), tasks)
+
+    def test_add_customer_rating_project(self):
+        """ Tests that the rating_ids field contains a rating once created
+        """
+        rate = self.env['rating.rating'].create({
+            'res_id': self.task_1.id,
+            'parent_res_id': self.project_pigs.id,
+            'res_model_id': self.env['ir.model']._get('project.task').id,
+            'parent_res_model_id': self.env['ir.model']._get('project.project').id,
+        })
+        rating = 5
+
+        self.task_1.rating_apply(rating, token=rate.access_token)
+
+        self.project_pigs.rating_ids.invalidate_recordset()
+        self.assertEqual(len(self.project_pigs.rating_ids), 1, "There should be 1 rating linked to the project")