diff --git a/addons/project/models/project_task.py b/addons/project/models/project_task.py
index f9b654d9ff7..d3cbc192103 100644
--- a/addons/project/models/project_task.py
+++ b/addons/project/models/project_task.py
@@ -108,7 +108,7 @@ class Task(models.Model):
     @api.model
     def _read_group_stage_ids(self, stages, domain, order):
         search_domain = [('id', 'in', stages.ids)]
-        if 'default_project_id' in self.env.context:
+        if 'default_project_id' in self.env.context and not self._context.get('subtask_action'):
             search_domain = ['|', ('project_ids', '=', self.env.context['default_project_id'])] + search_domain
 
         stage_ids = stages._search(search_domain, order=order, access_rights_uid=SUPERUSER_ID)
diff --git a/addons/project/views/project_task_views.xml b/addons/project/views/project_task_views.xml
index 7694f489fd5..168c2ebb2dd 100644
--- a/addons/project/views/project_task_views.xml
+++ b/addons/project/views/project_task_views.xml
@@ -292,7 +292,8 @@
                             <field name="recurring_count" widget="statinfo" string="Recurring Tasks"/>
                         </button>
                         <button name="%(project_task_action_sub_task)d" type="action" class="oe_stat_button" icon="fa-tasks"
-                            invisible="not id or subtask_count == 0" context="{'default_user_ids': user_ids, 'default_project_id': project_id, 'default_milestone_id': milestone_id}">
+                            invisible="not id or subtask_count == 0"
+                            context="{'default_user_ids': user_ids, 'default_project_id': project_id, 'default_milestone_id': milestone_id, 'subtask_action': True}">
                             <div class="o_field_widget o_stat_info">
                                 <div class="d-flex align-items-baseline gap-1">
                                     <span class="o_stat_value order-1">