diff --git a/media/css/seahub.css b/media/css/seahub.css
index c352effb3d..18886cf98b 100644
--- a/media/css/seahub.css
+++ b/media/css/seahub.css
@@ -889,6 +889,7 @@ ul.with-bg li {
 #task-progress-bar {/*for progress container*/
     width:95%;
     height:1em;
+    overflow:hidden;/*to solve ie's double height problem*/
 }
 #task-progress-bar .ui-progressbar-value {/*for progress*/
     background:#e83;