diff --git a/lib/ace/worker/worker.js b/lib/ace/worker/worker.js
index 0e7270a3..faf5624e 100644
--- a/lib/ace/worker/worker.js
+++ b/lib/ace/worker/worker.js
@@ -1,8 +1,13 @@
 "no use strict";
 
 var console = {
-    log: function(msgs) {
-        postMessage({type: "log", data: arguments.join(" ")});
+    log: function() {
+        var msgs = Array.prototype.slice.call(arguments, 0);
+        postMessage({type: "log", data: msgs});
+    },
+    error: function() {
+        var msgs = Array.prototype.slice.call(arguments, 0);
+        postMessage({type: "log", data: msgs});
     }
 };
 var window = {
diff --git a/lib/ace/worker/worker_client.js b/lib/ace/worker/worker_client.js
index 79169ea4..d3b9c3c8 100644
--- a/lib/ace/worker/worker_client.js
+++ b/lib/ace/worker/worker_client.js
@@ -84,7 +84,7 @@ var WorkerClient = function(topLevelNamespaces, mod, classname) {
         var msg = e.data;
         switch(msg.type) {
             case "log":
-                window.console && console.log && console.log(msg.data);
+                window.console && console.log && console.log.apply(console, msg.data);
                 break;
 
             case "event":