diff --git a/src/esp32_platform.cpp b/src/esp32_platform.cpp
index 9c6c087..18fafc7 100644
--- a/src/esp32_platform.cpp
+++ b/src/esp32_platform.cpp
@@ -67,7 +67,7 @@ uint32_t Esp32Platform::currentDefaultGateway()
 
 void Esp32Platform::macAddress(uint8_t * addr)
 {
-    esp_wifi_get_mac(WIFI_IF_STA, addr);
+    KNX_NETIF.macAddress(addr);
 }
 
 uint32_t Esp32Platform::uniqueSerialNumber()
diff --git a/src/rp2040_arduino_platform.cpp b/src/rp2040_arduino_platform.cpp
index 6ac1ea4..23f7258 100644
--- a/src/rp2040_arduino_platform.cpp
+++ b/src/rp2040_arduino_platform.cpp
@@ -461,12 +461,7 @@ uint32_t RP2040ArduinoPlatform::currentDefaultGateway()
 }
 void RP2040ArduinoPlatform::macAddress(uint8_t* addr)
 {
-#if defined(KNX_IP_LAN)
-    addr = KNX_NETIF.getNetIf()->hwaddr;
-#else
-    uint8_t macaddr[6] = {0, 0, 0, 0, 0, 0};
-    addr = KNX_NETIF.macAddress(macaddr);
-#endif
+    KNX_NETIF.macAddress(addr);
 }
 
 // multicast