diff --git a/STM32F4/cores/maple/libmaple/bkp.h b/STM32F4/cores/maple/libmaple/bkp.h
index dd378b4..44754a3 100644
--- a/STM32F4/cores/maple/libmaple/bkp.h
+++ b/STM32F4/cores/maple/libmaple/bkp.h
@@ -99,7 +99,7 @@ typedef struct bkp_reg_map {
 } bkp_reg_map;
 
 /** Backup peripheral register map base pointer. */
-#define BKP_BASE                        ((struct bkp_reg_map*)0x40006C00)
+#define BKP_BASE                        ((struct bkp_reg_map*)0x40024000)
 
 /** Backup peripheral device type. */
 typedef struct bkp_dev {