diff --git a/map/game/game.js b/map/game/game.js
index e87570f..413f0a8 100644
--- a/map/game/game.js
+++ b/map/game/game.js
@@ -128,5 +128,5 @@
     // STARTボタンに開始を仕込む
     document.getElementById("start").addEventListener("click", tryWatchGPS);
     mymap.on('click', measurePath);	// クリックイベントで measurePath()
-    document.getElementById('stop').addEventListener('click', stopGPS);
+    document.getElementById('stop').addEventListener("click", stopGPS);
 },false);