diff --git a/addons/project/models/project.py b/addons/project/models/project.py
index 2b9029c0cd1..08a02a73717 100644
--- a/addons/project/models/project.py
+++ b/addons/project/models/project.py
@@ -362,11 +362,10 @@ class Project(models.Model):
         not_fav_projects.write({'favorite_user_ids': [(4, self.env.uid)]})
         favorite_projects.write({'favorite_user_ids': [(3, self.env.uid)]})
 
-    def open_tasks(self):
-        ctx = dict(self._context)
-        ctx.update({'search_default_project_id': self.id})
-        action = self.env['ir.actions.act_window'].for_xml_id('project', 'act_project_project_2_project_task_all')
-        return dict(action, context=ctx)
+    def action_view_tasks(self):
+        action = self.with_context(active_id=self.id, active_ids=self.ids).env.ref('project.act_project_project_2_project_task_all').read()[0]
+        action['display_name'] = self.name
+        return action
 
     def action_view_account_analytic_line(self):
         """ return the action to see all the analytic lines of the project's analytic account """
diff --git a/addons/project/views/project_views.xml b/addons/project/views/project_views.xml
index d05a8fd48d2..a305f1e6e8c 100644
--- a/addons/project/views/project_views.xml
+++ b/addons/project/views/project_views.xml
@@ -57,9 +57,9 @@
             <field name="name">Tasks</field>
             <field name="res_model">project.task</field>
             <field name="view_mode">kanban,tree,form,calendar,pivot,graph,activity</field>
+            <field name="domain">[('project_id', '=', active_id)]</field>
             <field name="context">{
                 'pivot_row_groupby': ['user_id'],
-                'search_default_project_id': [active_id],
                 'default_project_id': active_id,
             }</field>
             <field name="search_view_id" ref="view_task_search_form"/>
@@ -293,7 +293,7 @@
             <field name="arch" type="xml">
                 <xpath expr="//group" position="after">
                     <footer>
-                        <button string="Create" name="open_tasks" type="object" class="btn-primary o_open_tasks"/>
+                        <button string="Create" name="action_view_tasks" type="object" class="btn-primary o_open_tasks"/>
                         <button string="Discard" class="btn-secondary" special="cancel"/>
                     </footer>
                 </xpath>
@@ -375,7 +375,7 @@
                                 </div>
 
                                 <div class="o_project_kanban_boxes">
-                                    <a class="o_project_kanban_box" name="%(act_project_project_2_project_task_all)d" type="action">
+                                    <a class="o_project_kanban_box" name="action_view_tasks" type="object">
                                         <div>
                                             <span class="o_value"><t t-esc="record.task_count.value"/></span>
                                             <span class="o_label"><t t-esc="record.label_tasks.value"/></span>
diff --git a/addons/sale_timesheet/models/sale_order.py b/addons/sale_timesheet/models/sale_order.py
index 78181dc3479..62eb114d2db 100644
--- a/addons/sale_timesheet/models/sale_order.py
+++ b/addons/sale_timesheet/models/sale_order.py
@@ -99,6 +99,7 @@ class SaleOrder(models.Model):
         if len(task_projects) == 1 and len(self.tasks_ids) > 1:  # redirect to task of the project (with kanban stage, ...)
             action = self.with_context(active_id=task_projects.id).env.ref(
                 'project.act_project_project_2_project_task_all').read()[0]
+            action['domain'] = [('project_id', '=', task_projects.id)]
             if action.get('context'):
                 eval_context = self.env['ir.actions.actions']._get_eval_context()
                 eval_context.update({'active_id': task_projects.id})