diff --git a/lib/server/size.js b/lib/server/size.js
index 16d259c6..ef50ed47 100644
--- a/lib/server/size.js
+++ b/lib/server/size.js
@@ -42,7 +42,7 @@
             
         }
         
-        processDir(dir, calcSize, {stopOnError: false}, function(error) {
+        processDir(dir, calcSize, options, function(error) {
             var result;
             
             if (type !== 'raw')
@@ -87,7 +87,9 @@
                         func(null, stat.size);
                     else if (isDir) {
                         ++asyncRunning;
-                        fs.readdir(dir, onReaddir);
+                        fs.readdir(dir, function(error, files) {
+                            onReaddir(error, files, dir);
+                        });
                     }
                 }
                 
@@ -95,7 +97,7 @@
             }
         }
         
-        function onReaddir(error, files) {
+        function onReaddir(error, files, dir) {
             var n;
             
             asyncRunning--;