diff --git a/src/portable/nordic/nrf5x/dcd_nrf5x.c b/src/portable/nordic/nrf5x/dcd_nrf5x.c
index f213e9f9fa..ca37d799fd 100644
--- a/src/portable/nordic/nrf5x/dcd_nrf5x.c
+++ b/src/portable/nordic/nrf5x/dcd_nrf5x.c
@@ -765,7 +765,7 @@ void dcd_int_handler(uint8_t rhport)
     if ( tu_bit_test(int_status, USBD_INTEN_ENDEPOUT0_Pos+epnum))
     {
       xfer_td_t* xfer = get_td(epnum, TUSB_DIR_OUT);
-      uint8_t const xact_len = NRF_USBD->EPOUT[epnum].AMOUNT;
+      uint16_t const xact_len = NRF_USBD->EPOUT[epnum].AMOUNT;
 
       xfer->buffer     += xact_len;
       xfer->actual_len += xact_len;
diff --git a/src/portable/raspberrypi/rp2040/hcd_rp2040.c b/src/portable/raspberrypi/rp2040/hcd_rp2040.c
index e079401a09..ab413594d8 100644
--- a/src/portable/raspberrypi/rp2040/hcd_rp2040.c
+++ b/src/portable/raspberrypi/rp2040/hcd_rp2040.c
@@ -385,6 +385,9 @@ bool hcd_init(uint8_t rhport)
   // Force VBUS detect to always present, for now we assume vbus is always provided (without using VBUS En)
   usb_hw->pwr = USB_USB_PWR_VBUS_DETECT_BITS | USB_USB_PWR_VBUS_DETECT_OVERRIDE_EN_BITS;
 
+  // Remove shared irq if it was previously added so as not to fill up shared irq slots
+  irq_remove_handler(USBCTRL_IRQ, hcd_rp2040_irq);
+
   irq_add_shared_handler(USBCTRL_IRQ, hcd_rp2040_irq, PICO_SHARED_IRQ_HANDLER_HIGHEST_ORDER_PRIORITY);
 
   // clear epx and interrupt eps
diff --git a/src/portable/synopsys/dwc2/dwc2_stm32.h b/src/portable/synopsys/dwc2/dwc2_stm32.h
index 1187e0d6e0..337f611d89 100644
--- a/src/portable/synopsys/dwc2/dwc2_stm32.h
+++ b/src/portable/synopsys/dwc2/dwc2_stm32.h
@@ -64,6 +64,10 @@
 
   // NOTE: H7 with only 1 USB port: H72x / H73x / H7Ax / H7Bx
   // USB_OTG_FS_PERIPH_BASE and OTG_FS_IRQn not defined
+  #if (! defined USB2_OTG_FS)
+    #define USB_OTG_FS_PERIPH_BASE  USB1_OTG_HS_PERIPH_BASE
+    #define OTG_FS_IRQn             OTG_HS_IRQn
+  #endif
 
 #elif CFG_TUSB_MCU == OPT_MCU_STM32F7
   #include "stm32f7xx.h"