diff --git a/os/hal/platforms/STM32F3xx/hal_lld.c b/os/hal/platforms/STM32F3xx/hal_lld.c
index 8f7fe9102..f82e23c19 100644
--- a/os/hal/platforms/STM32F3xx/hal_lld.c
+++ b/os/hal/platforms/STM32F3xx/hal_lld.c
@@ -124,6 +124,13 @@ void hal_lld_init(void) {
 #if STM32_PVD_ENABLE
   PWR->CR |= PWR_CR_PVDE | (STM32_PLS & STM32_PLS_MASK);
 #endif /* STM32_PVD_ENABLE */
+
+  /* SYSCFG clock enabled here because it is a multi-functional unit shared
+     among multiple drivers.*/
+  rccEnableAPB2(RCC_APB2ENR_SYSCFGEN, TRUE);
+
+  /* USB IRQ relocated to not conflict with CAN.*/
+  SYSCFG->CFGR1 |= SYSCFG_CFGR1_USB_IT_RMP;
 }
 
 /**
@@ -192,14 +199,6 @@ void stm32_clock_init(void) {
   while ((RCC->CFGR & RCC_CFGR_SWS) != (STM32_SW << 2))
     ;                                       /* Waits selection complete.    */
 #endif
-
-  /* SYSCFG clock enabled here because it is a multi-functional unit shared
-     among multiple drivers.*/
-  rccEnableAPB2(RCC_APB2ENR_SYSCFGEN, TRUE);
-
-  /* USB IRQ relocated to not conflict with CAN.*/
-  SYSCFG->CFGR1 |= SYSCFG_CFGR1_USB_IT_RMP;
-
 #endif /* !STM32_NO_INIT */
 }