diff --git a/hardware/arduino/avr/libraries/HID/HID.cpp b/hardware/arduino/avr/libraries/HID/HID.cpp
index 37270e7e7d6..42e0ee5d202 100644
--- a/hardware/arduino/avr/libraries/HID/HID.cpp
+++ b/hardware/arduino/avr/libraries/HID/HID.cpp
@@ -152,6 +152,7 @@ HID_::HID_(void)
 
 int HID_::begin(void)
 {
+	return 0;
 }
 
 #endif /* if defined(USBCON) */