diff --git a/lib/client/listeners.js b/lib/client/listeners.js
index b7604794..7f7032b0 100644
--- a/lib/client/listeners.js
+++ b/lib/client/listeners.js
@@ -264,25 +264,38 @@ var Util, DOM, CloudFunc, CloudCmd;
             var panels          = DOM.getByClassAll('panel'),
                 forEach         = Array.prototype.forEach,
                 
-                preventDefault  = function (event) {
-                    event.preventDefault();
-                },
-                toggle          = function () {
+                toggle          = function() {
                     forEach.call(panels, function(panel) {
                         DOM.toggleClass(panel, 'selected-panel');
                     });
                 },
-                onDrop          = function (event) {
+                onDrop          = function(event) {
                     var files   = event.dataTransfer.files;
                     
-                    preventDefault(event);
+                    event.preventDefault();
                     DOM.uploadFiles(files);
+                },
+                /* 
+                 * In Mac OS Chrome dropEffect = 'none'
+                 * so drop do not firing up when try
+                 * to upload file from download bar
+                 */
+                onDragOver      = function(event) {
+                    var dataTransfer    = event.dataTransfer,
+                        effectAllowed   = dataTransfer.effectAllowed;
+                    
+                    if (/move|linkMove/.test(effectAllowed))
+                        dataTransfer.dropEffect = 'move';
+                    else
+                        dataTransfer.dropEffect = 'copy';
+                    
+                    event.preventDefault();
                 };
                 
             Events.add(['dragenter', 'dragleave', 'drop'], toggle);
             
             forEach.call(panels, function(panel) {
-                Events.add('dragover', panel, preventDefault)
+                Events.add('dragover', panel, onDragOver)
                       .add('drop', panel, onDrop);
             });
         }