diff --git a/common/fdt_support.c b/common/fdt_support.c
index fcd252336cdf15d8cebe503e4025ef2f07d41b09..c690768572007e8eed91fa351dea46e38ab148d5 100644
--- a/common/fdt_support.c
+++ b/common/fdt_support.c
@@ -479,8 +479,18 @@ void fdt_fixup_ethernet(void *fdt)
 	if (node < 0)
 		return;
 
+	if (!getenv("ethaddr")) {
+		if (getenv("usbethaddr")) {
+			strcpy(mac, "usbethaddr");
+		} else {
+			debug("No ethernet MAC Address defined\n");
+			return;
+		}
+	} else {
+		strcpy(mac, "ethaddr");
+	}
+
 	i = 0;
-	strcpy(mac, "ethaddr");
 	while ((tmp = getenv(mac)) != NULL) {
 		sprintf(enet, "ethernet%d", i);
 		path = fdt_getprop(fdt, node, enet, NULL);