diff --git a/DynmapCore/src/main/resources/extracted/web/js/map.js b/DynmapCore/src/main/resources/extracted/web/js/map.js
index 331146b9..401e9bb2 100644
--- a/DynmapCore/src/main/resources/extracted/web/js/map.js
+++ b/DynmapCore/src/main/resources/extracted/web/js/map.js
@@ -25,7 +25,7 @@ function DynMap(options) {
 	if(me.checkForSavedURL())
 		return;
 	me.options = options;
-	$.getJSON(me.options.url.configuration, function(configuration) {
+	$.getJSON(me.formatUrl("configuration", { timestamp: me.lasttimestamp }), function(configuration) {
 		if(configuration.error == 'login-required') {
 			me.saveURL();
 			window.location = 'login.html';
@@ -47,7 +47,7 @@ DynMap.prototype = {
 	registeredTiles: [],
 	players: {},
 	
-	lasttimestamp: new Date().getUTCMilliseconds(), /* Pseudorandom - prevent cached '?0' */
+	lasttimestamp: new Date().getTime(), /* Pseudorandom - prevent cached '?0' */
 	reqid: 0,
     servertime: 0,
     serverday: false,