diff --git a/board/davinci/dv-evm/dv_board.c b/board/davinci/dv-evm/dv_board.c
index 94925ec..604edb5 100644
--- a/board/davinci/dv-evm/dv_board.c
+++ b/board/davinci/dv-evm/dv_board.c
@@ -181,7 +181,7 @@
 			tmp[0] &= buf[i];
 
 		if ((tmp[0] != 0xff) && (getenv("ethaddr") == NULL)) {
-			sprintf((char *)&tmp[0], "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
+			sprintf((char *)&tmp[0], "%02x:%02x:%02x:%02x:%02x:%02x",
 				buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]);
 			setenv("ethaddr", (char *)&tmp[0]);
 		}