diff --git a/apps/global/notificationsmanagers.yaml b/apps/global/notificationsmanagers.yaml
index 85d2f0d..65ef40f 100644
--- a/apps/global/notificationsmanagers.yaml
+++ b/apps/global/notificationsmanagers.yaml
@@ -38,3 +38,16 @@ notifications_manager:
         title: Pluie prévue sur votre trajet
         content: "Il va pleuvoir dans {sensor.commut_rain_minutes_until_rain} minutes"
 
+    power_off_notification:
+      recipients:
+        all:
+          services: 
+            - notify/mobile_app_iphone_de_pierre
+            - notify/mobile_app_mae
+          conditions: binary_sensor.main_power_off and not binary_sensor.someone_home
+
+      message:
+        title: Coupure de courant
+        content: Le courant a été coupé
+        auto_clear: true
+
diff --git a/apps/global/virtualsensors.yaml b/apps/global/virtualsensors.yaml
index 7230718..37674ef 100644
--- a/apps/global/virtualsensors.yaml
+++ b/apps/global/virtualsensors.yaml
@@ -82,6 +82,8 @@ virtual_sensors:
           event_data:
             entity_id: sensor.shelly_button_red_signal_strength
 
+    binary_sensor.main_power_off: sensor.ups_code_d_etat != 'OL'
+
     # living room sensors
     value_selector.living_room_ambiance_light:
       values:        
diff --git a/apps/notificationsmanager.py b/apps/notificationsmanager.py
index 8f70e4e..6635ff2 100644
--- a/apps/notificationsmanager.py
+++ b/apps/notificationsmanager.py
@@ -3,7 +3,7 @@ import appdaemon.exceptions as ad_exception
 import ad_toolbox.smartcondition as SmartCondition
 import re
 import uuid
-from expressionparser import ParsingException
+from ad_toolbox.expressionparser import ParsingException
 
 class Notification:
     ENTITY_PLACEHOLDER_PATTERN = re.compile(r"\{([^{}]+)\}")