diff --git a/components/empty_i2c_sensor/empty_i2c_sensor.cpp b/components/empty_i2c_sensor/empty_i2c_sensor.cpp
index ec3e165..96f329d 100644
--- a/components/empty_i2c_sensor/empty_i2c_sensor.cpp
+++ b/components/empty_i2c_sensor/empty_i2c_sensor.cpp
@@ -15,7 +15,7 @@ void EmptyI2CSensor::setup(){
 
 void EmptyI2CSensor::update(){
   uint8_t data[] = {10};
-  this->write_register(0x0, &data, 0x1);
+  this->read_register(0x0, &data, 0x1);
   ESP_LOGI(TAG, "sensor output: %d", data[0]);
 
 }