diff --git a/arch/arm/src/stm32f7/stm32_ethernet.c b/arch/arm/src/stm32f7/stm32_ethernet.c
index 01e0e6ca44..89adec6c50 100644
--- a/arch/arm/src/stm32f7/stm32_ethernet.c
+++ b/arch/arm/src/stm32f7/stm32_ethernet.c
@@ -56,6 +56,7 @@
 #include <nuttx/net/mii.h>
 #include <nuttx/net/arp.h>
 #include <nuttx/net/netdev.h>
+#include <crc64.h>
 
 #if defined(CONFIG_NET_PKT)
 #  include <nuttx/net/pkt.h>
@@ -69,6 +70,7 @@
 #include "stm32_gpio.h"
 #include "stm32_rcc.h"
 #include "stm32_ethernet.h"
+#include "stm32_uid.h"
 
 #include <arch/board/board.h>
 
@@ -4081,6 +4083,8 @@ static inline
 int stm32_ethinitialize(int intf)
 {
   struct stm32_ethmac_s *priv;
+  uint8_t uid[12];
+  uint64_t crc;
 
   ninfo("intf: %d\n", intf);
 
@@ -4110,6 +4114,20 @@ int stm32_ethinitialize(int intf)
   priv->txpoll       = wd_create();     /* Create periodic poll timer */
   priv->txtimeout    = wd_create();     /* Create TX timeout timer */
 
+  stm32_get_uniqueid(uid);
+  crc = crc64(uid, 12);
+
+  /* Specify as localy administrated address */
+
+  priv->dev.d_mac.ether.ether_addr_octet[0]  = (crc >> 0) | 0x02;
+  priv->dev.d_mac.ether.ether_addr_octet[0] &= ~0x1;
+
+  priv->dev.d_mac.ether.ether_addr_octet[1]  = crc >> 8;
+  priv->dev.d_mac.ether.ether_addr_octet[2]  = crc >> 16;
+  priv->dev.d_mac.ether.ether_addr_octet[3]  = crc >> 24;
+  priv->dev.d_mac.ether.ether_addr_octet[4]  = crc >> 32;
+  priv->dev.d_mac.ether.ether_addr_octet[5]  = crc >> 40;
+
   /* Configure GPIO pins to support Ethernet */
 
   stm32_ethgpioconfig(priv);