diff --git a/ports/stm32f4/Makefile b/ports/stm32f4/Makefile
index 1b5b2eee24..ccadeac8a4 100755
--- a/ports/stm32f4/Makefile
+++ b/ports/stm32f4/Makefile
@@ -22,7 +22,7 @@
 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 # THE SOFTWARE.
-DEBUG = 1
+# DEBUG = 1
 
 # Select the board to build for.
 ifeq ($(BOARD),)
diff --git a/ports/stm32f4/boards/meowbit_v121/mpconfigboard.h b/ports/stm32f4/boards/meowbit_v121/mpconfigboard.h
index 2d8ff87618..c849e03b6c 100644
--- a/ports/stm32f4/boards/meowbit_v121/mpconfigboard.h
+++ b/ports/stm32f4/boards/meowbit_v121/mpconfigboard.h
@@ -37,7 +37,7 @@
 
 #define BOARD_OSC_DIV 12
 #define BOARD_NO_VBUS_SENSE
-//#define BOARD_VTOR_DEFER //Leave VTOR relocation to bootloader
+#define BOARD_VTOR_DEFER //Leave VTOR relocation to bootloader
 #define BOARD_USE_INTERNAL_SPI
 
 // On-board flash
diff --git a/ports/stm32f4/boards/meowbit_v121/mpconfigboard.mk b/ports/stm32f4/boards/meowbit_v121/mpconfigboard.mk
index e45d2803f7..340fd9d3b7 100644
--- a/ports/stm32f4/boards/meowbit_v121/mpconfigboard.mk
+++ b/ports/stm32f4/boards/meowbit_v121/mpconfigboard.mk
@@ -9,7 +9,7 @@ EXTERNAL_FLASH_DEVICE_COUNT = 1
 EXTERNAL_FLASH_DEVICES = W25Q16JV_IQ
 LONGINT_IMPL = MPZ
 
-# BOOTLOADER_OFFSET = 0x8010000
+BOOTLOADER_OFFSET = 0x8010000
 
 # INTERNAL_FLASH_FILESYSTEM = 1
 # LONGINT_IMPL = NONE
@@ -19,5 +19,5 @@ MCU_VARIANT = stm32f4
 MCU_SUB_VARIANT = stm32f401xe
 MCU_PACKAGE = 64
 CMSIS_MCU = STM32F401xE
-#LD_FILE = boards/STM32F401_boot.ld 
-LD_FILE = boards/STM32F401_fs.ld
\ No newline at end of file
+LD_FILE = boards/STM32F401_boot.ld 
+# LD_FILE = boards/STM32F401_fs.ld #use for internal flash
\ No newline at end of file