diff --git a/board/amcc/bamboo/flash.c b/board/amcc/bamboo/flash.c
index 001348a..7bf877d 100644
--- a/board/amcc/bamboo/flash.c
+++ b/board/amcc/bamboo/flash.c
@@ -94,7 +94,7 @@
 		 * Boot Settings in IIC EEprom address 0xA8 or 0xA4
 		 * Read Serial Device Strap Register1 in PPC440EP
 		 */
-		mfsdr(sdr_sdstp1, val);
+		mfsdr(SDR0_SDSTP1, val);
 		boot_selection  = val & SDR0_SDSTP1_BOOT_SEL_MASK;
 		ebc_boot_size   = val & SDR0_SDSTP1_EBC_ROM_BS_MASK;