diff --git a/src/main/java/org/dynmap/web/HttpErrorHandler.java b/src/main/java/org/dynmap/web/HttpErrorHandler.java
index f2476390..189ee78f 100644
--- a/src/main/java/org/dynmap/web/HttpErrorHandler.java
+++ b/src/main/java/org/dynmap/web/HttpErrorHandler.java
@@ -10,6 +10,10 @@ public class HttpErrorHandler {
         response.getBody();
     }
     
+    public static void handleForbidden(HttpResponse response) throws IOException {
+        handle(response, 403, "Forbidden");
+    }
+    
     public static void handleNotFound(HttpResponse response) throws IOException {
         handle(response, 404, "Not found");
     }
diff --git a/src/main/java/org/dynmap/web/handlers/ClientUpdateHandler.java b/src/main/java/org/dynmap/web/handlers/ClientUpdateHandler.java
index 58d33786..55607793 100644
--- a/src/main/java/org/dynmap/web/handlers/ClientUpdateHandler.java
+++ b/src/main/java/org/dynmap/web/handlers/ClientUpdateHandler.java
@@ -12,6 +12,7 @@ import org.bukkit.entity.Player;
 import org.dynmap.Client;
 import org.dynmap.MapManager;
 import org.dynmap.PlayerList;
+import org.dynmap.web.HttpErrorHandler;
 import org.dynmap.web.HttpHandler;
 import org.dynmap.web.HttpRequest;
 import org.dynmap.web.HttpResponse;
@@ -34,15 +35,19 @@ public class ClientUpdateHandler implements HttpHandler {
         
         Matcher match = updatePathPattern.matcher(path);
         
-        if (!match.matches())
+        if (!match.matches()) {
+            HttpErrorHandler.handleForbidden(response);
             return;
+        }
         
         String worldName = match.group(1);
         String timeKey = match.group(2);
         
         World world = server.getWorld(worldName);
-        if (world == null)
+        if (world == null) {
+            HttpErrorHandler.handleNotFound(response);
             return;
+        }
         
         long current = System.currentTimeMillis();
         long since = 0;
diff --git a/web/map.js b/web/map.js
index 6671b4fc..3595d144 100644
--- a/web/map.js
+++ b/web/map.js
@@ -44,6 +44,8 @@ function DynMap(options) {
 	$.getJSON(me.options.updateUrl + 'configuration', function(configuration) {
 		me.configure(configuration);
 		me.initialize();
+	}, function(status, statusMessage) {
+		alert('Could not retrieve configuration: ' + statusMessage);
 	});
 }
 DynMap.prototype = {
@@ -333,9 +335,9 @@ DynMap.prototype = {
 					//divs.filter(function(i){return parseInt(divs[i].attr('rel')) > timestamp+me.options.messagettl;}).remove();
 				});
 				setTimeout(function() { me.update(); }, me.options.updaterate);
-			}, function(request, statusText, ex) {
+			}, function(status, statusText, ex) {
 				me.alertbox
-					.text('Could not update map')
+					.text('Could not update map: ' + statusText)
 					.show();
 				setTimeout(function() { me.update(); }, me.options.updaterate);
 			}