diff --git a/LUFA/Drivers/USB/Class/Host/HID.c b/LUFA/Drivers/USB/Class/Host/HID.c
index 683458de51..606b3dfeda 100644
--- a/LUFA/Drivers/USB/Class/Host/HID.c
+++ b/LUFA/Drivers/USB/Class/Host/HID.c
@@ -357,7 +357,8 @@ uint8_t HID_Host_SetBootProtocol(USB_ClassInfo_HID_Host_t* const HIDInterfaceInf
 	return HOST_SENDCONTROL_Successful;
 }
 
-uint8_t HID_Host_SetIdlePeriod(const uint16_t MS)
+uint8_t HID_Host_SetIdlePeriod(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo,
+                               const uint16_t MS)
 {
 	USB_ControlRequest = (USB_Request_Header_t)
 		{
diff --git a/LUFA/Drivers/USB/Class/Host/HID.h b/LUFA/Drivers/USB/Class/Host/HID.h
index 1c6c7d2323..2f560ebd2f 100644
--- a/LUFA/Drivers/USB/Class/Host/HID.h
+++ b/LUFA/Drivers/USB/Class/Host/HID.h
@@ -255,7 +255,8 @@
 			 *  at which the device should send a report, when no state changes have ocurred; i.e. on HID keyboards, this sets the
 			 *  hardware key repeat interval.
 			 *
-			 *  \param[in] MS  Idle period as a multiple of four milliseconds, zero to disable hardware repeats
+			 *  \param[in,out] HIDInterfaceInfo  Pointer to a structure containing a HID Class host configuration and state.
+			 *  \param[in]     MS                Idle period as a multiple of four milliseconds, zero to disable hardware repeats
 			 *
 			 *  \return A value from the \ref USB_Host_SendControlErrorCodes_t enum.
 			 */