diff --git a/configuration/automations/front-door.yaml b/configuration/automations/front-door.yaml
index 61b58d2..ee52220 100644
--- a/configuration/automations/front-door.yaml
+++ b/configuration/automations/front-door.yaml
@@ -1,6 +1,5 @@
 - id: front-door-open-notify
   alias: '[INFO] Front door left open'
-  description: ''
   mode: single
   trigger:
     - platform: state
@@ -56,3 +55,19 @@
       domain: binary_sensor
   action:
     - service: script.hallway_lights_on
+
+- id: front-door-invalid-state
+  alias: '[Front Door] Notify about wrong state'
+  mode: single
+  trigger:
+    - platform: state
+      entity_id: binary_sensor.front_door_open_close
+      to: 'on'
+  condition:
+    - condition: state
+      entity_id: lock.front_door_lock_doorlock
+      state: locked
+  action:
+    - service: notify.mobile_app_iphone
+      data:
+        message: Front door opens but lock is still in status 'locked'