diff --git a/combo/manager/static/css/combo.manager.css b/combo/manager/static/css/combo.manager.css
index d2b21e1e..93bcf724 100644
--- a/combo/manager/static/css/combo.manager.css
+++ b/combo/manager/static/css/combo.manager.css
@@ -320,6 +320,10 @@ div.navigation li.nav-up::before {
 	width: 30px;
 }
 
+#assets-listing .not-defined {
+	font-style: italic;
+}
+
 #assets-browser tr::before {
 	font-family: FontAwesome;
 	vertical-align: middle;