diff --git a/embed/boardloader/lowlevel.c b/embed/boardloader/lowlevel.c
index 20b17c5d..18d47716 100644
--- a/embed/boardloader/lowlevel.c
+++ b/embed/boardloader/lowlevel.c
@@ -11,11 +11,12 @@
 
 void clear_otg_hs_memory(void)
 {
-    RCC->AHB1ENR |= RCC_AHB1ENR_OTGHSEN; // enable USB_OTG_HS peripheral clock so that the peripheral memory is accessible
+    // use the HAL version due to section 2.1.6 of STM32F42xx Errata sheet
+    __HAL_RCC_USB_OTG_HS_CLK_ENABLE(); // enable USB_OTG_HS peripheral clock so that the peripheral memory is accessible
     const uint32_t unpredictable = rng_get();
     memset_reg((volatile void *) USB_OTG_HS_DATA_FIFO_RAM, (volatile void *) (USB_OTG_HS_DATA_FIFO_RAM + USB_OTG_HS_DATA_FIFO_SIZE), unpredictable);
     memset_reg((volatile void *) USB_OTG_HS_DATA_FIFO_RAM, (volatile void *) (USB_OTG_HS_DATA_FIFO_RAM + USB_OTG_HS_DATA_FIFO_SIZE), 0);
-    RCC->AHB1ENR &= ~RCC_AHB1ENR_OTGHSEN; // disable USB OTG_HS peripheral clock as the peripheral is not needed right now
+    __HAL_RCC_USB_OTG_HS_CLK_DISABLE(); // disable USB OTG_HS peripheral clock as the peripheral is not needed right now
 }
 
 #define WANTED_WRP (OB_WRP_SECTOR_0 | OB_WRP_SECTOR_1 | OB_WRP_SECTOR_2)