diff --git a/rpi/controllers/GameController.py b/rpi/controllers/GameController.py
index 872a295c..c2bbc27c 100644
--- a/rpi/controllers/GameController.py
+++ b/rpi/controllers/GameController.py
@@ -42,7 +42,7 @@ class GameController:
                 jsonify({"status": "error", "message": "Game hasn't started yet"}), 400
 
             auth_token = request.headers.get("Authorization")
-            if auth_token != self.auth_token:
+            if auth_token != "Bearer " + self.auth_token:
                 return jsonify({"status": "error", "message": "Invalid authorization token"}), 401
 
             self._game_service.make_move()