diff --git a/right/src/init_peripherals.c b/right/src/init_peripherals.c
index f820fdc..7efcb20 100644
--- a/right/src/init_peripherals.c
+++ b/right/src/init_peripherals.c
@@ -16,7 +16,6 @@
 #include "usb_api.h"
 #include "slave_scheduler.h"
 #include "bootloader/wormhole.h"
-#include "usb_composite_device.h"
 
 bool IsBusPalOn;
 volatile uint32_t I2cMainBusRequestedBaudRateBps = I2C_MAIN_BUS_NORMAL_BAUD_RATE;
@@ -70,7 +69,7 @@ static void initInterruptPriorities(void)
     NVIC_SetPriority(PIT_KEY_SCANNER_IRQ_ID,   4);
     NVIC_SetPriority(PIT_KEY_DEBOUNCER_IRQ_ID, 4);
     NVIC_SetPriority(I2C_MAIN_BUS_IRQ_ID,      4);
-    NVIC_SetPriority(USB_IRQ_ID,               USB_DEVICE_INTERRUPT_PRIORITY);
+    NVIC_SetPriority(USB_IRQ_ID,               4);
 }
 
 static void delay(void)
diff --git a/right/src/usb_composite_device.h b/right/src/usb_composite_device.h
index d32a57e..7c35485 100644
--- a/right/src/usb_composite_device.h
+++ b/right/src/usb_composite_device.h
@@ -10,7 +10,7 @@
 // Macros:
 
     #define CONTROLLER_ID kUSB_ControllerKhci0
-    #define USB_DEVICE_INTERRUPT_PRIORITY 5
+    #define USB_DEVICE_INTERRUPT_PRIORITY 3
 
 // Typedefs: