diff --git a/DokoMemo/dokomemo.js b/DokoMemo/dokomemo.js
index 246ccf8..19c1a0f 100644
--- a/DokoMemo/dokomemo.js
+++ b/DokoMemo/dokomemo.js
@@ -21,11 +21,11 @@
 	});
     var offlineLayerGsiPhoto = L.imageOverlay(
 	"img/koekimap.png",
-	[[38.895492, 139.816593], [38.890816, 139.822602]]
+	[[38.895855, 139.816143], [38.891178, 139.82215]]
     );
     var offlineLayerOSM = L.imageOverlay(
 	"img/osm-koekimap.png",
-	[[38.895855, 139.816143], [38.891178, 139.82215]]
+	[[38.895492, 139.816593], [38.890816, 139.822602]]
     );
     var baseLayers = {
 	"(オフライン用)大学周辺地理院空中写真": offlineLayerGsiPhoto,