diff --git a/arch/arm/mach-snapdragon/misc.c b/arch/arm/mach-snapdragon/misc.c
index f6c87866c0..aaa561c2c6 100644
--- a/arch/arm/mach-snapdragon/misc.c
+++ b/arch/arm/mach-snapdragon/misc.c
@@ -41,7 +41,7 @@ void msm_generate_mac_addr(u8 *mac)
 	int i;
 	char sn[9];
 
-	snprintf(sn, 8, "%08x", msm_board_serial());
+	snprintf(sn, 9, "%08x", msm_board_serial());
 
 	/* fill in the mac with serialno, use locally adminstrated pool */
 	mac[0] = 0x02;