diff --git a/lib/client/viewer.js b/lib/client/viewer.js
index 13897244..4db9f9f4 100644
--- a/lib/client/viewer.js
+++ b/lib/client/viewer.js
@@ -32,7 +32,7 @@ CloudCommander.Viewer.FuncyBox = {
             var lA = lPanel.getElementsByTagName('a');
             
             var lName;
-            for (var i; i < lA.length; i++) {
+            for (var i=0; i < lA.length; i++) {
                 lName = lA[i].title || lA[i].textContent;
                 
                 CloudFunc.checkExtension(lName,'png') &&