diff --git a/homeassistant/components/reolink/binary_sensor.py b/homeassistant/components/reolink/binary_sensor.py
index 39910bbc52a..95c5f1982c3 100644
--- a/homeassistant/components/reolink/binary_sensor.py
+++ b/homeassistant/components/reolink/binary_sensor.py
@@ -301,7 +301,7 @@ async def async_setup_entry(
             )
             for entity_description in BINARY_SMART_AI_SENSORS
             for location in api.baichuan.smart_location_list(
-                channel, entity_description.key
+                channel, entity_description.smart_type
             )
             if entity_description.supported(api, channel, location)
         )