--- a/arch/mips/include/asm/mach-bcm47xx/nvram.h
+++ b/arch/mips/include/asm/mach-bcm47xx/nvram.h
@@ -39,8 +39,15 @@ extern int nvram_getenv(char *name, char
 
 static inline void nvram_parse_macaddr(char *buf, u8 *macaddr)
 {
-	sscanf(buf, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", &macaddr[0], &macaddr[1],
-	       &macaddr[2], &macaddr[3], &macaddr[4], &macaddr[5]);
+	if (strchr(buf, ':')) {
+		sscanf(buf, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", &macaddr[0], &macaddr[1],
+			&macaddr[2], &macaddr[3], &macaddr[4], &macaddr[5]);
+	} else if (strchr(buf, '-')) {
+		sscanf(buf, "%hhx-%hhx-%hhx-%hhx-%hhx-%hhx", &macaddr[0], &macaddr[1],
+			&macaddr[2], &macaddr[3], &macaddr[4], &macaddr[5]);
+	} else {
+		printk(KERN_WARNING "Can not parse mac address: %s\n", buf);
+	}
 }
 
 #endif
