diff --git a/src/stm32/Kconfig b/src/stm32/Kconfig
index 7760fca..dad40e1 100644
--- a/src/stm32/Kconfig
+++ b/src/stm32/Kconfig
@@ -33,22 +33,22 @@ choice
         bool "STM32F207" if 0
         select MACH_STM32F2
     config MACH_STM32F401
-        bool "STM32F401" if 0
+        bool "STM32F401"
         select MACH_STM32F4
     config MACH_STM32F405
-        bool "STM32F405" if 0
+        bool "STM32F405"
         select MACH_STM32F4
         select MACH_STM32F4x5
     config MACH_STM32F407
-        bool "STM32F407" if 0
+        bool "STM32F407"
         select MACH_STM32F4
         select MACH_STM32F4x5
     config MACH_STM32F429
-        bool "STM32F429" if 0
+        bool "STM32F429"
         select MACH_STM32F4
         select MACH_STM32F4x5
     config MACH_STM32F446
-        bool "STM32F446" if 0
+        bool "STM32F446"
         select MACH_STM32F4
     config MACH_STM32F031
         bool "STM32F031" if 0
@@ -344,6 +344,7 @@ config CANBUS_FREQUENCY
 config APPLICATION_START
     hex
     default 0x8002000 if MACH_STM32F103
+    default 0x8008000 if MACH_STM32F4
     default 0x8002000
 
 config MAX_FLASH_PAGE_SIZE