diff --git a/addons/rating_project/models/project.py b/addons/rating_project/models/project.py
index d2f08cc46cc..68ebd3420dc 100644
--- a/addons/rating_project/models/project.py
+++ b/addons/rating_project/models/project.py
@@ -52,7 +52,8 @@ class Project(models.Model):
         compute='_compute_percentage_satisfaction_task', string='% Happy', store=True, default=-1)
     percentage_satisfaction_project = fields.Integer(
         compute="_compute_percentage_satisfaction_project", string="% Happy", store=True, default=-1)
-    is_visible_happy_customer = fields.Boolean(string="Customer Satisfaction", default=False)
+    is_visible_happy_customer = fields.Boolean(string="Customer Satisfaction", default=False,
+        help="Display informations about rating of the project on kanban and form view. This buttons will only be displayed if at least a rating exists.")
 
 
     @api.multi
diff --git a/addons/rating_project/views/project_view.xml b/addons/rating_project/views/project_view.xml
index 17d32a97030..a077f00169f 100644
--- a/addons/rating_project/views/project_view.xml
+++ b/addons/rating_project/views/project_view.xml
@@ -10,7 +10,7 @@
             <field name="arch" type="xml">
                 <xpath expr="//div[@name='buttons']" position="inside">
                     <button name="action_view_task_rating"
-                        attrs="{'invisible': ['|', ('use_issues','=', False), ('is_visible_happy_customer','=', False)]}"
+                        attrs="{'invisible': ['|',  '|', ('is_visible_happy_customer', '=', False), ('use_tasks','=', False), ('percentage_satisfaction_task', '=', -1)]}"
                         class="oe_stat_button oe_percent"
                         type="object"
                         icon="fa-smile-o">
diff --git a/addons/rating_project_issue/views/project_issue_view.xml b/addons/rating_project_issue/views/project_issue_view.xml
index 2f44dc0c17a..0f16b3bb460 100644
--- a/addons/rating_project_issue/views/project_issue_view.xml
+++ b/addons/rating_project_issue/views/project_issue_view.xml
@@ -10,7 +10,7 @@
             <field name="arch" type="xml">
                 <xpath expr="//div[@name='buttons']" position="inside">
                     <button name="action_view_issue_rating"
-                        attrs="{'invisible': ['|', ('use_issues','=', False), ('is_visible_happy_customer','=', False)]}"
+                        attrs="{'invisible': ['|', '|', ('use_issues','=', False), ('is_visible_happy_customer','=', False), ('percentage_satisfaction_issue', '=', -1)]}"
                         class="oe_stat_button oe_percent"
                         type="object"
                         icon="fa-smile-o">