diff --git a/src/sao.less b/src/sao.less
index 3fe7c4a377..57a3faa53f 100644
--- a/src/sao.less
+++ b/src/sao.less
@@ -225,6 +225,9 @@ img.icon {
 
         td.draggable-handle {
             cursor: grab;
+            > img {
+                .center-block();
+            }
         }
         th.selection-state, td.selection-state {
             > input {