diff --git a/map/michi/michi.html b/map/michi/michi.html
index 2157066..fa0b385 100644
--- a/map/michi/michi.html
+++ b/map/michi/michi.html
@@ -4,7 +4,7 @@
         <title>道案内</title>
         <meta name="viewport" content="width=device-width, initial-scale=1" />
         <link rel="stylesheet" type="text/css" href="../src/leaflet.css" />
-        <script type="text/javascript" src="../src/leaflet.js"></script>
+        <script type="text/javascript" src="../src/leaflet.js" charset="utf-8"></script>
         <script type="text/css" src="michi.js" charset="utf-8"></script>
     </head>