diff --git a/os/hal/platforms/STM32F1xx/hal_lld_f100.h b/os/hal/platforms/STM32F1xx/hal_lld_f100.h
index a97ee4b50..c71c1227f 100644
--- a/os/hal/platforms/STM32F1xx/hal_lld_f100.h
+++ b/os/hal/platforms/STM32F1xx/hal_lld_f100.h
@@ -227,7 +227,7 @@
 #define STM32_HAS_GPIOB         TRUE
 #define STM32_HAS_GPIOC         TRUE
 #define STM32_HAS_GPIOD         TRUE
-#define STM32_HAS_GPIOE         TRUE
+#define STM32_HAS_GPIOE         FALSE
 #define STM32_HAS_GPIOF         FALSE
 #define STM32_HAS_GPIOG         FALSE
 #define STM32_HAS_GPIOH         FALSE
diff --git a/readme.txt b/readme.txt
index dcf34966b..fe845e9ca 100644
--- a/readme.txt
+++ b/readme.txt
@@ -79,6 +79,8 @@
 *****************************************************************************
 
 *** 2.4.3 ***
+- FIX: Fixed RCC_APB2ENR_IOPEEN undeclared on STM32F10X_LD_VL devices (bug
+  3575098).
 - FIX: Fixed optimization disable (-O0) breaks kernel in CortexM/RVCT (bug
   3573123).
 - FIX: Fixed misplaced declarations in lwip_bindings sys_arch.c (bug 3571053).