diff --git a/customize.dist/src/less2/include/drive.less b/customize.dist/src/less2/include/drive.less
index e41a09136..53148dc6d 100644
--- a/customize.dist/src/less2/include/drive.less
+++ b/customize.dist/src/less2/include/drive.less
@@ -352,6 +352,7 @@
             top: 10px;
             width: 11px !important;
             height: 11px !important;
+            background-color: @cp_sidebar-left-bg;
             padding: 0;
             margin: 0;
             z-index: 10;