diff --git a/right/src/usb_protocol_handler.c b/right/src/usb_protocol_handler.c
index f43dfc6..a17dd64 100644
--- a/right/src/usb_protocol_handler.c
+++ b/right/src/usb_protocol_handler.c
@@ -41,6 +41,7 @@ void SetResponseByte(uint8_t response)
 
 void UsbProtocolHandler()
 {
+    bzero(GenericHidOutBuffer, USB_GENERIC_HID_OUT_BUFFER_LENGTH);
     uint8_t command = GenericHidInBuffer[0];
     switch (command) {
         case USB_COMMAND_GET_SYSTEM_PROPERTY: