diff --git a/src/imageloader.js b/src/imageloader.js
index 14eb576b..faa1fac8 100644
--- a/src/imageloader.js
+++ b/src/imageloader.js
@@ -84,7 +84,7 @@ ImageJob.prototype = {
         };
 
         this.jobId = window.setTimeout(function(){
-            self.errorMsg = "Image load exceeded timeout";
+            self.errorMsg = "Image load exceeded timeout (" + self.timeout + " ms)";
             self.finish(false);
         }, this.timeout);