diff --git a/resources/styles/partials/sidebar-layers.scss b/resources/styles/partials/sidebar-layers.scss
index fc13e6b60..69aecbec1 100644
--- a/resources/styles/partials/sidebar-layers.scss
+++ b/resources/styles/partials/sidebar-layers.scss
@@ -51,6 +51,7 @@
   width: 100%;
 
   ul {
+    border-left: 6px solid $intense-ui-border;
     margin: 0;
   }