diff --git a/app/webpacker/css/admin_v3/components/navigation.scss b/app/webpacker/css/admin_v3/components/navigation.scss
index b7cf37e9ca..01054103af 100644
--- a/app/webpacker/css/admin_v3/components/navigation.scss
+++ b/app/webpacker/css/admin_v3/components/navigation.scss
@@ -83,7 +83,7 @@ nav.menu {
 
 #sub-menu {
   padding-bottom: 0;
-  box-shadow: 0px 1px 0px $light-grey;
+  box-shadow: 0px 1px 0px $color-7;
 }
 
 // Factorized rules on menu item for admin menu and sub menu