diff --git a/scripts/simple_server.py b/scripts/simple_server.py
index 0fdc78c..928a56e 100755
--- a/scripts/simple_server.py
+++ b/scripts/simple_server.py
@@ -3,6 +3,7 @@
 """Use instead of `python3 -m http.server` when you need CORS and SharedArrayBuffer"""
 
 from http.server import HTTPServer, SimpleHTTPRequestHandler
+import sys
 
 class CORSRequestHandler(SimpleHTTPRequestHandler):
     def end_headers(self):
@@ -12,5 +13,8 @@ class CORSRequestHandler(SimpleHTTPRequestHandler):
         self.send_header('Cache-Control', 'no-store, no-cache, must-revalidate')
         return super(CORSRequestHandler, self).end_headers()
 
-httpd = HTTPServer(('', 8003), CORSRequestHandler)
+port = 8003
+if len(sys.argv) > 1:
+    port = int(sys.argv[1])
+httpd = HTTPServer(('', port), CORSRequestHandler)
 httpd.serve_forever()