diff --git a/os/hal/ports/STM32/LLD/USBv1/hal_usb_lld.c b/os/hal/ports/STM32/LLD/USBv1/hal_usb_lld.c
index 20607b735..e35dc5513 100644
--- a/os/hal/ports/STM32/LLD/USBv1/hal_usb_lld.c
+++ b/os/hal/ports/STM32/LLD/USBv1/hal_usb_lld.c
@@ -477,6 +477,11 @@ void usb_lld_start(USBDriver *usbp) {
     /* Clock activation.*/
 #if STM32_USB_USE_USB1
     if (&USBD1 == usbp) {
+
+      osalDbgAssert((STM32_USBCLK >= (48000000U - STM32_USB_48MHZ_DELTA)) &&
+                    (STM32_USBCLK <= (48000000U + STM32_USB_48MHZ_DELTA)),
+                    "invalid clock frequency");
+
       /* USB clock enabled.*/
       rccEnableUSB(true);
       /* Powers up the transceiver while holding the USB in reset state.*/
diff --git a/os/hal/ports/STM32/LLD/USBv1/hal_usb_lld.h b/os/hal/ports/STM32/LLD/USBv1/hal_usb_lld.h
index 1270172fc..1c00de8a8 100644
--- a/os/hal/ports/STM32/LLD/USBv1/hal_usb_lld.h
+++ b/os/hal/ports/STM32/LLD/USBv1/hal_usb_lld.h
@@ -166,11 +166,6 @@
 #error "invalid STM32_USB_48MHZ_DELTA setting, it must not exceed 250000"
 #endif
 
-#if (STM32_USBCLK < (48000000 - STM32_USB_48MHZ_DELTA)) ||                  \
-    (STM32_USBCLK > (48000000 + STM32_USB_48MHZ_DELTA))
-#error "the USB driver requires a 48MHz clock"
-#endif
-
 /*===========================================================================*/
 /* Driver data structures and types.                                         */
 /*===========================================================================*/
diff --git a/os/hal/ports/STM32/STM32G4xx/hal_lld.h b/os/hal/ports/STM32/STM32G4xx/hal_lld.h
index 19a9db32c..574cdd5c2 100644
--- a/os/hal/ports/STM32/STM32G4xx/hal_lld.h
+++ b/os/hal/ports/STM32/STM32G4xx/hal_lld.h
@@ -1345,7 +1345,7 @@
  * @brief   LPTIM1 clock frequency.
  */
 #if (STM32_LPTIM1SEL == STM32_LPTIM1SEL_PCLK1) || defined(__DOXYGEN__)
-  #define STM32_LPTIM1CLK           hal_lld_get_clock_point(CLK_PCLK1
+  #define STM32_LPTIM1CLK           hal_lld_get_clock_point(CLK_PCLK1)
 
 #elif STM32_LPTIM1SEL == STM32_LPTIM1SEL_LSI
   #define STM32_LPTIM1CLK           STM32_LSICLK
diff --git a/readme.txt b/readme.txt
index 41be3bcec..583c8cbdd 100644
--- a/readme.txt
+++ b/readme.txt
@@ -74,7 +74,7 @@
 *****************************************************************************
 
 *** Next ***
-- NEW: USARTv2, USARTv3 updated for dynamic clocking.
+- NEW: STM32 USARTv2, USARTv3 updated for dynamic clocking.
 - NEW: Dynamic support implemented for STM32G4xx.
 - NEW: Dynamic clocks support in HAL.
 - NEW: Reload feature added to RT virtual timers.