diff --git a/configuration/automations/hallway.yaml b/configuration/automations/hallway.yaml
index 44c947b..28dd220 100644
--- a/configuration/automations/hallway.yaml
+++ b/configuration/automations/hallway.yaml
@@ -53,6 +53,10 @@
       entity_id: binary_sensor.hallway_motion_sensor
       from: 'off'
       to: 'on'
+  condition:
+    - condition: numeric_state
+      entity_id: sensor.xiaomi_lumi_sen_ill_mgl01_cc990100_illuminance
+      below: '100'
   action:
     - service: script.hallway_lights_on