diff --git a/boards/common/stm32/include/cfg_usb_otg_fs.h b/boards/common/stm32/include/cfg_usb_otg_fs.h
index 323ca091f3..eba39f8f2c 100644
--- a/boards/common/stm32/include/cfg_usb_otg_fs.h
+++ b/boards/common/stm32/include/cfg_usb_otg_fs.h
@@ -36,7 +36,7 @@ extern "C" {
  */
 static const stm32_usb_otg_fshs_config_t stm32_usb_otg_fshs_config[] = {
     {
-        .periph   = (uint8_t *)USB_OTG_FS_PERIPH_BASE,
+        .periph   = USB_OTG_FS_PERIPH_BASE,
         .rcc_mask = RCC_AHB2ENR_OTGFSEN,
         .phy      = STM32_USB_OTG_PHY_BUILTIN,
         .type     = STM32_USB_OTG_FS,
diff --git a/boards/common/stm32/include/cfg_usb_otg_hs_fs.h b/boards/common/stm32/include/cfg_usb_otg_hs_fs.h
index b47f05bb6f..a95f560c2d 100644
--- a/boards/common/stm32/include/cfg_usb_otg_hs_fs.h
+++ b/boards/common/stm32/include/cfg_usb_otg_hs_fs.h
@@ -36,7 +36,7 @@ extern "C" {
  */
 static const stm32_usb_otg_fshs_config_t stm32_usb_otg_fshs_config[] = {
     {
-        .periph   = (uint8_t *)USB_OTG_HS_PERIPH_BASE,
+        .periph   = USB_OTG_HS_PERIPH_BASE,
         .rcc_mask = RCC_AHB1ENR_OTGHSEN,
         .phy      = STM32_USB_OTG_PHY_BUILTIN,
         .type     = STM32_USB_OTG_HS,
diff --git a/cpu/stm32/include/periph_cpu.h b/cpu/stm32/include/periph_cpu.h
index bfc1c3f857..a6cd00ce59 100644
--- a/cpu/stm32/include/periph_cpu.h
+++ b/cpu/stm32/include/periph_cpu.h
@@ -821,7 +821,7 @@ typedef enum {
  * @brief stm32 USB OTG configuration
  */
 typedef struct {
-    uint8_t *periph;                /**< USB peripheral base address */
+    uintptr_t periph;               /**< USB peripheral base address */
     uint32_t rcc_mask;              /**< bit in clock enable register */
     stm32_usb_otg_fshs_phy_t phy;   /**< Built-in or ULPI phy */
     stm32_usb_otg_fshs_type_t type; /**< FS or HS type */