diff --git a/src/main.cpp b/src/main.cpp
index 8ea62c1..8cc3628 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -732,6 +732,9 @@ void setup()
   adcAttachPin(_VBAT);
   adcStart(_VBAT);
 
+  Serial.print("MAC Address: ");
+  Serial.println(ota.getMAC());
+
   #define BME_SDA 21
   #define BME_SCL 22
   Wire.begin(BME_SDA, BME_SCL);