diff --git a/lib/client/dom.js b/lib/client/dom.js
index 2ecfc79f..14f9c01f 100644
--- a/lib/client/dom.js
+++ b/lib/client/dom.js
@@ -1099,12 +1099,13 @@ var CloudCmd, Util, DOM, CloudFunc, Dialog;
             this.getFilenames           = function(allFiles) {
                 var first, name,
                     files,
-                    names = [];
+                    slice   = Array.prototype.slice,
+                    names   = [];
                 
                 if (!allFiles)
                     throw Error('AllFiles could not be empty');
                 
-                files           = allFiles.slice(0);
+                files           = slice.call(allFiles);
                 first           = files[0];
                 
                 if (first) {