diff --git a/server.py b/server.py
index 484a73e..32ad722 100644
--- a/server.py
+++ b/server.py
@@ -8,9 +8,11 @@ from flask import Flask, send_file
 
 def main():
     parser = ArgumentParser()
+    parser.add_argument('--port', type=int, default=8000, help='Server port (default: 8000)')
     parser.add_argument('--debug', action='store_true', help='Run in debug mode (auto-reload on change)')
     arguments = parser.parse_args()
 
+    port: int = arguments.port
     debug_mode: bool = arguments.debug
     del arguments
 
@@ -44,7 +46,7 @@ def main():
         except urllib.error.URLError as error:
             return f'Cannot retrieve tile: {error}', 501
 
-    app.run(host='0.0.0.0', port=8000, debug=debug_mode)
+    app.run(host='0.0.0.0', port=port, debug=debug_mode)
 
 
 if __name__ == '__main__':