diff --git a/product/ERP5/Tool/AlarmTool.py b/product/ERP5/Tool/AlarmTool.py
index 279346d1c0e58666792e17f9a34e1ffa427fcef0..fd07ede68c574eda569bdaf422dfb42c17425006 100644
--- a/product/ERP5/Tool/AlarmTool.py
+++ b/product/ERP5/Tool/AlarmTool.py
@@ -139,7 +139,7 @@ class AlarmTool(TimerServiceMixin, BaseTool):
           if alarm.isActive() or not alarm.isEnabled():
             # do nothing if already active, or not enabled
             continue
-          if alarm.isAutomaticSolve():
+          if alarm.getProperty('automatic_solve'):
             alarm.solve()
           else:
             alarm.activeSense()