diff --git a/DynmapCore/src/main/resources/extracted/web/js/dynmaputils.js b/DynmapCore/src/main/resources/extracted/web/js/dynmaputils.js
index 0f5b9fdb..8884a422 100644
--- a/DynmapCore/src/main/resources/extracted/web/js/dynmaputils.js
+++ b/DynmapCore/src/main/resources/extracted/web/js/dynmaputils.js
@@ -75,10 +75,17 @@ var DynmapLayerControl = L.Control.Layers.extend({
 
 
 var DynmapTileLayer = L.TileLayer.extend({
-	_namedTiles: {},
-	_cachedTileUrls: {},
-	_loadQueue: [],
-	_loadingTiles: [],
+	_namedTiles: null,
+	_cachedTileUrls: null,
+	_loadQueue: null,
+	_loadingTiles: null,
+
+	initialize: function() {
+		this._namedTiles = {};
+		this._cachedTileUrls = {};
+		this._loadQueue = [];
+		this._loadingTiles = [];
+	},
 
 	createTile: function(coords, done) {
 		var me = this,
diff --git a/DynmapCore/src/main/resources/extracted/web/js/hdmap.js b/DynmapCore/src/main/resources/extracted/web/js/hdmap.js
index 159c84bf..ecd9b208 100644
--- a/DynmapCore/src/main/resources/extracted/web/js/hdmap.js
+++ b/DynmapCore/src/main/resources/extracted/web/js/hdmap.js
@@ -35,6 +35,7 @@ var HDMapType = DynmapTileLayer.extend({
 		this.projection = new HDProjection($.extend({map: this}, options));
 
 		L.Util.setOptions(this, options);
+		DynmapTileLayer.prototype.initialize.call(this, options);
 	},
 	getTileName: function(coords) {
 		var info = this.getTileInfo(coords);