diff --git a/lib/ace/worker/worker_client.js b/lib/ace/worker/worker_client.js
index 62c918e3..566498b5 100644
--- a/lib/ace/worker/worker_client.js
+++ b/lib/ace/worker/worker_client.js
@@ -49,7 +49,7 @@ var WorkerClient = function(topLevelNamespaces, packagedJs, module, classname) {
         var msg = e.data;
         switch(msg.type) {
             case "log":
-                console.log(msg.data);
+                window.console && console.log && console.log(msg.data);
                 break;
 
             case "event":