diff --git a/board/bc3450/cmd_bc3450.c b/board/bc3450/cmd_bc3450.c
index a9e4902..b1f24ce 100644
--- a/board/bc3450/cmd_bc3450.c
+++ b/board/bc3450/cmd_bc3450.c
@@ -52,9 +52,9 @@
 #define THERM_WRITE_TL		0x02
 #define THERM_WRITE_TH		0x01
 
-#define CONFIG_SYS_CPU			2
-#define CONFIG_SYS_1SHOT		1
-#define CONFIG_SYS_STANDALONE		0
+#define DS1620_CFG_CPU			2
+#define DS1620_CFG_1SHOT		1
+#define DS1620_CFG_STANDALONE		0
 
 struct therm {
 	int hi;
@@ -513,7 +513,7 @@ static int cmd_temp (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
 			therm.hi <<= 1;
 			therm.lo <<= 1;
 			ds1620_write_state (&therm);
-			ds1620_out (THERM_WRITE_CONFIG, 8, CONFIG_SYS_STANDALONE);
+			ds1620_out (THERM_WRITE_CONFIG, 8, DS1620_CFG_STANDALONE);
 			return 0;
 		}
 	}