diff --git a/map/domon/gps-game.html b/map/domon/gps-game.html
index 13f112a..5aac151 100644
--- a/map/domon/gps-game.html
+++ b/map/domon/gps-game.html
@@ -18,7 +18,7 @@
 <button type="button" id="undo">1つ取消</button>
 <button type="button" id="finish">終了</button>
 </p>
-<div id=""></div>
+<div id="gpsmap"></div>
 <script type="text/javascript" src="gpt-game.js" charset="utf-8"></script>
 </body>
 </html>