diff --git a/html5/verto/verto_communicator/css/verto.css b/html5/verto/verto_communicator/css/verto.css
index ab5f343ae7..950a6214b0 100644
--- a/html5/verto/verto_communicator/css/verto.css
+++ b/html5/verto/verto_communicator/css/verto.css
@@ -497,7 +497,7 @@ body .modal-body .btn-group .btn.active {
   position: absolute;
   right: 15px;
   top: 15px;
-  z-index: 2;
+  z-index: 1001;
 }
 
 #incall .panel:hover .video-hover-buttons {