diff --git a/route/templates/default/files.html b/route/templates/default/files.html
index 88e367e95..fcbce1af6 100755
--- a/route/templates/default/files.html
+++ b/route/templates/default/files.html
@@ -8,7 +8,7 @@
                 <div class="ptb15">
                     <div class="clearfix">
                         <div class="pull-left">
-                            <button id="backBtn" class="backBtn btn btn-default btn-sm glyphicon glyphicon-arrow-left pull-left" title="" onClick="BackDir()"></button>
+                            <button id="backBtn" class="backBtn btn btn-default btn-sm glyphicon glyphicon-arrow-left pull-left" title="" onClick="backDir()"></button>
                             <button class="backBtn refreshBtn btn btn-default btn-sm glyphicon glyphicon-refresh pull-right" title="" style="margin-left:-1px;"></button>
                             <span id='DirPathPlace' class="pull-left"><input id="fileInputPath" type="text"></span>
                             <span id='PathPlaceBtn' class="pull-left"></span>