diff --git a/addons/project/models/project_task.py b/addons/project/models/project_task.py
index 2ae033362d1..8651ac3c507 100644
--- a/addons/project/models/project_task.py
+++ b/addons/project/models/project_task.py
@@ -1087,8 +1087,8 @@ class Task(models.Model):
                 if task.allow_task_dependencies:
                     if task.is_blocked_by_dependences() and vals['state'] not in CLOSED_STATES and vals['state'] != '04_waiting_normal':
                         task.state = '04_waiting_normal'
-            if vals['state'] in CLOSED_STATES:
-                task.date_last_stage_update = now
+                if vals['state'] in CLOSED_STATES:
+                    task.date_last_stage_update = now
 
         self._task_message_auto_subscribe_notify({task: task.user_ids - old_user_ids[task] - self.env.user for task in self})
         return result