diff --git a/src/Umbraco.Web.UI.Client/src/less/application/grid.less b/src/Umbraco.Web.UI.Client/src/less/application/grid.less
index b51ddc500d..0fe4497bd5 100644
--- a/src/Umbraco.Web.UI.Client/src/less/application/grid.less
+++ b/src/Umbraco.Web.UI.Client/src/less/application/grid.less
@@ -107,7 +107,7 @@ body.umb-drawer-is-visible #mainwrapper{
     bottom: 0px;
     left: 0px;
     right: 0px;
-    border-right: 1px solid @gray-8;
+    border-right: 1px solid @gray-9;
     z-index: 100;
 }