diff --git a/libnfc/buses/usbbus.h b/libnfc/buses/usbbus.h
index 87f6a85..3c0381a 100644
--- a/libnfc/buses/usbbus.h
+++ b/libnfc/buses/usbbus.h
@@ -35,6 +35,7 @@
 
 #ifndef _WIN32
 // Under POSIX system, we use libusb (>= 0.1.12)
+#include <stdint.h>
 #include <usb.h>
 #define USB_TIMEDOUT ETIMEDOUT
 #define _usb_strerror( X ) strerror(-X)