diff --git a/os/hal/ports/SAMA/LLD/MACv1/hal_mac_lld.c b/os/hal/ports/SAMA/LLD/MACv1/hal_mac_lld.c
index ae553b62d..b1f9c15ac 100644
--- a/os/hal/ports/SAMA/LLD/MACv1/hal_mac_lld.c
+++ b/os/hal/ports/SAMA/LLD/MACv1/hal_mac_lld.c
@@ -162,6 +162,8 @@ static void mii_find_phy(MACDriver *macp) {
     n--;
   } while (n > 0U);
 #endif
+  macp->phyaddr = 0;
+  return;
   /* Wrong or defective board.*/
   osalSysHalt("MAC failure");
 }