diff --git a/addons/project/wizard/project_task_reevaluate.py b/addons/project/wizard/project_task_reevaluate.py
index d627ffa4408..9e7c23b3484 100644
--- a/addons/project/wizard/project_task_reevaluate.py
+++ b/addons/project/wizard/project_task_reevaluate.py
@@ -74,10 +74,10 @@ class project_task_reevaluate(osv.osv_memory):
             context = {}
         data = self.browse(cr, uid, ids, context=context)[0]
         task_pool = self.pool.get('project.task')
-        task_id = context.get('active_id', False)
+        task_id = context.get('active_id')
         if task_id:
             task_pool.write(cr, uid, task_id, {'remaining_hours': data.remaining_hours})
-            if context.get('button_reactivate', False):
+            if context.get('button_reactivate'):
                 task_pool.do_reopen(cr, uid, [task_id], context=context)
         return {'type': 'ir.actions.act_window_close'}
 project_task_reevaluate()