diff --git a/usb.c b/usb.c
index de3dde2..bbe5387 100644
--- a/usb.c
+++ b/usb.c
@@ -1,5 +1,5 @@
+#include <libopencm3/cm3/nvic.h>
 #include <libopencm3/stm32/desig.h>
-#include <libopencm3/stm32/f4/nvic.h>
 #include <libopencm3/stm32/gpio.h>
 #include <libopencm3/stm32/rcc.h>
 #include <libopencm3/usb/cdc.h>