diff --git a/custom_components/leafspy/binary_sensor.py b/custom_components/leafspy/binary_sensor.py
index 9ef6de8..52b6af8 100644
--- a/custom_components/leafspy/binary_sensor.py
+++ b/custom_components/leafspy/binary_sensor.py
@@ -31,7 +31,7 @@ class LeafSpyBinarySensorDescription(BinarySensorEntityDescription):
         translation_key="power_switch_state",
         device_class=BinarySensorDeviceClass.POWER,
         value_fn=lambda data: data.get("PwrSw"),
-        transform_fn=lambda x: x == 1,
+        transform_fn=lambda x: x == '1',
         icon="mdi:power",
     )
 ]