diff --git a/src/stm32/Kconfig b/src/stm32/Kconfig
index 6534b576..814858eb 100644
--- a/src/stm32/Kconfig
+++ b/src/stm32/Kconfig
@@ -88,8 +88,8 @@ config CLOCK_FREQ
     default 72000000 if MACH_STM32F103
     default 120000000 if MACH_STM32F207
     default 84000000 if MACH_STM32F401
-    default 168000000 if MACH_STM32F405 || MACH_STM32F407
-    default 180000000 if MACH_STM32F446 || MACH_STM32F429
+    default 168000000 if MACH_STM32F405 || MACH_STM32F407 || MACH_STM32F429
+    default 180000000 if MACH_STM32F446
 
 config FLASH_SIZE
     hex