diff --git a/board/kup/kup4k/kup4k.c b/board/kup/kup4k/kup4k.c
index df3ffb4..98f5f5a 100644
--- a/board/kup/kup4k/kup4k.c
+++ b/board/kup/kup4k/kup4k.c
@@ -250,6 +250,7 @@
 	immap->im_ioport.iop_papar &= ~0x80;
 	immap->im_ioport.iop_padat |= 0x80;	/* turn it off */
 #endif
+	load_sernum_ethaddr();
 	setenv("hw","4k");
 	poweron_key();
 	return (0);