diff --git a/lib/less/browser.js b/lib/less/browser.js
index 40219087..7a8d9815 100644
--- a/lib/less/browser.js
+++ b/lib/less/browser.js
@@ -152,7 +152,7 @@ function loadStyleSheet(sheet, callback, reload, remaining) {
             }
         }
     }, function (status, url) {
-        throw new(Error)("Couldn't load " + url+ " (" + status + ")");
+        throw new(Error)("Couldn't load " + url + " (" + status + ")");
     });
 }
 
@@ -223,7 +223,7 @@ function xhr(url, callback, errback) {
         if (xhr.status === 0) {
             callback(xhr.responseText);
         } else {
-            errback(xhr.status);
+            errback(xhr.status, url);
         }
     } else if (async) {
         xhr.onreadystatechange = function () {