diff --git a/source/hic_hal/stm32/stm32h743xx/daplink_addr.h b/source/hic_hal/stm32/stm32h743xx/daplink_addr.h
index f414e6d6d..b98c8a373 100644
--- a/source/hic_hal/stm32/stm32h743xx/daplink_addr.h
+++ b/source/hic_hal/stm32/stm32h743xx/daplink_addr.h
@@ -61,6 +61,8 @@
 #else
 #define DAPLINK_ROM_SIZE                0x00080000 // has to be a multiple of the sector size, only bank 1 is used
 
+#define DAPLINK_ROM_UDB_BL_VERSION_SIZE 0x00000000
+
 #define DAPLINK_ROM_IF_START            0x08020000
 #define DAPLINK_ROM_IF_SIZE             0x00040000 // 2 sectors