diff --git a/scripts/ugreen-probe-leds b/scripts/ugreen-probe-leds
index e1f1e36..5dd854b 100755
--- a/scripts/ugreen-probe-leds
+++ b/scripts/ugreen-probe-leds
@@ -9,7 +9,13 @@ i2c_dev=$(i2cdetect -l | grep "SMBus I801 adapter" | grep -Po "i2c-\d+")
 
 if [ $? = 0 ]; then 
         echo "Found I2C device /dev/${i2c_dev}"
-        echo "led-ugreen 0x3a" > /sys/bus/i2c/devices/${i2c_dev}/new_device 2>/dev/null || true
+        dev_path=/sys/bus/i2c/devices/$i2c_dev/${i2c_dev/i2c-/}-003a
+        if [ ! -d $dev_path ]; then
+            echo "led-ugreen 0x3a" > /sys/bus/i2c/devices/${i2c_dev}/new_device
+        elif [ "$(cat $dev_path/name)" != "led-ugreen" ]; then
+            echo "ERROR: the device ${i2c_dev/i2c-/}-003a has been registered as $(cat $dev_path/name)"
+            exit 1
+        fi
 else
         echo "I2C device not found!"
 fi