diff --git a/hotkey/windows.py b/hotkey/windows.py
index 0bc54d1a..8a1c7acd 100644
--- a/hotkey/windows.py
+++ b/hotkey/windows.py
@@ -2,6 +2,7 @@
 import atexit
 import ctypes
 import pathlib
+import sys
 import threading
 import tkinter as tk
 import winsound
@@ -12,6 +13,8 @@ from config import config
 from EDMCLogging import get_main_logger
 from hotkey import AbstractHotkeyMgr
 
+assert sys.platform == 'win32'
+
 logger = get_main_logger()
 
 RegisterHotKey = ctypes.windll.user32.RegisterHotKey