diff --git a/src/main.cpp b/src/main.cpp
index 071d610..e514809 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -543,7 +543,7 @@ void setup() {
   NMEA2000.SetN2kCANReceiveFrameBufSize(250);
   NMEA2000.SetN2kCANSendFrameBufSize(250);
 
-  esp_efuse_read_mac(chipid);
+  esp_efuse_mac_get_default(chipid);
   for (int i = 0; i < 6; i++) id += (chipid[i] << (7 * i));
 
   // Set product information