diff --git a/hal/ethernet/linux/ethernet_linux.c b/hal/ethernet/linux/ethernet_linux.c
index 36dde5ce..43350f1a 100644
--- a/hal/ethernet/linux/ethernet_linux.c
+++ b/hal/ethernet/linux/ethernet_linux.c
@@ -155,7 +155,7 @@ Ethernet_getInterfaceMACAddress(const char* interfaceId, uint8_t* addr)
 
     memset(&buffer, 0x00, sizeof(buffer));
 
-    strcpy(buffer.ifr_name, interfaceId);
+    strncpy(buffer.ifr_name, interfaceId, IFNAMSIZ);
 
     ioctl(sock, SIOCGIFHWADDR, &buffer);