diff --git a/os/hal/platforms/STM32F2xx/hal_lld.h b/os/hal/platforms/STM32F2xx/hal_lld.h
index 957f799a9..bb6c69bff 100644
--- a/os/hal/platforms/STM32F2xx/hal_lld.h
+++ b/os/hal/platforms/STM32F2xx/hal_lld.h
@@ -959,7 +959,7 @@
 /**
  * @brief   STM32_PLLN field.
  */
-#if ((STM32_PLLN_VALUE >= 192) && (STM32_PLLN_VALUE <= 432)) ||             \
+#if ((STM32_PLLN_VALUE >= 64) && (STM32_PLLN_VALUE <= 432)) ||              \
     defined(__DOXYGEN__)
 #define STM32_PLLN                  (STM32_PLLN_VALUE << 6)
 #else
diff --git a/os/hal/platforms/STM32F4xx/hal_lld.h b/os/hal/platforms/STM32F4xx/hal_lld.h
index a8f61cf62..ad2a28900 100644
--- a/os/hal/platforms/STM32F4xx/hal_lld.h
+++ b/os/hal/platforms/STM32F4xx/hal_lld.h
@@ -986,7 +986,7 @@
 /**
  * @brief   STM32_PLLN field.
  */
-#if ((STM32_PLLN_VALUE >= 64) && (STM32_PLLN_VALUE <= 432)) ||             \
+#if ((STM32_PLLN_VALUE >= 64) && (STM32_PLLN_VALUE <= 432)) ||              \
     defined(__DOXYGEN__)
 #define STM32_PLLN                  (STM32_PLLN_VALUE << 6)
 #else