diff --git a/ports/stm32/adc.c b/ports/stm32/adc.c
index 4f92324562..46fbbe7364 100644
--- a/ports/stm32/adc.c
+++ b/ports/stm32/adc.c
@@ -131,14 +131,15 @@
 #if defined(STM32F091xC)
 #define VBAT_DIV (2)
 #elif defined(STM32F405xx) || defined(STM32F415xx) || \
-    defined(STM32F407xx) || defined(STM32F417xx) || \
-    defined(STM32F401xC) || defined(STM32F401xE) || \
-    defined(STM32F411xE)
+      defined(STM32F407xx) || defined(STM32F417xx) || \
+      defined(STM32F401xC) || defined(STM32F401xE)
 #define VBAT_DIV (2)
-#elif defined(STM32F427xx) || defined(STM32F429xx) || \
+#elif defined(STM32F411xE) || defined(STM32F413xx) || \
+      defined(STM32F427xx) || defined(STM32F429xx) || \
       defined(STM32F437xx) || defined(STM32F439xx) || \
-      defined(STM32F446xx) || defined(STM32F413xx) || \
-      defined(STM32F722xx) || defined(STM32F723xx) || \
+      defined(STM32F446xx)
+#define VBAT_DIV (4)
+#elif defined(STM32F722xx) || defined(STM32F723xx) || \
       defined(STM32F732xx) || defined(STM32F733xx) || \
       defined(STM32F746xx) || defined(STM32F765xx) || \
       defined(STM32F767xx) || defined(STM32F769xx)