diff --git a/src/stm32/Kconfig b/src/stm32/Kconfig
index 95e9f43..49ffd54 100644
--- a/src/stm32/Kconfig
+++ b/src/stm32/Kconfig
@@ -344,16 +344,16 @@ config CANBUS_FREQUENCY
 choice
     prompt "Application start offset"
     depends on MACH_STM32F0 || MACH_STM32F1
-    config STM32_APP_START_1000
-        bool "4KiB offset"
     config STM32_APP_START_2000
         bool "8KiB offset"
+    config STM32_APP_START_1000
+        bool "4KiB offset"
 endchoice
 
 config APPLICATION_START
     hex
-    default 0x8001000 if STM32_APP_START_1000
     default 0x8002000 if STM32_APP_START_2000
+    default 0x8001000 if STM32_APP_START_1000
     default 0x8008000
 
 config BLOCK_SIZE