diff --git a/src/packages/tree-view/stylesheets/tree-view.css b/src/packages/tree-view/stylesheets/tree-view.css
index c29cb0299..4da9fbd44 100644
--- a/src/packages/tree-view/stylesheets/tree-view.css
+++ b/src/packages/tree-view/stylesheets/tree-view.css
@@ -17,7 +17,7 @@
   float: right;
   left: 212px;
   height: 100%;
-  width: 2px;
+  width: 10px;
   background: transparent;
   cursor: col-resize;
 }