diff --git a/js/AppBase.js b/js/AppBase.js
index b6d4082df..86cc44e8a 100644
--- a/js/AppBase.js
+++ b/js/AppBase.js
@@ -367,7 +367,7 @@ define(["dojo/_base/declare"], function (declare) {
 					if (params.hasOwnProperty(k)) {
 						switch (k) {
 							case "label_base_index":
-								_label_base_index = parseInt(params[k]);
+								LABEL_BASE_INDEX = parseInt(params[k]);
 								break;
 							case "cdm_auto_catchup":
 								if (params[k] == 1) {
diff --git a/js/FeedTree.js b/js/FeedTree.js
index a1a48d586..85892b3d9 100755
--- a/js/FeedTree.js
+++ b/js/FeedTree.js
@@ -33,7 +33,7 @@ define(["dojo/_base/declare", "dojo/dom-construct", "dijit/Tree", "dijit/Menu"],
 			const id = args.item.id[0];
 			const bare_id = parseInt(id.substr(id.indexOf(':')+1));
 
-			if (bare_id < _label_base_index) {
+			if (bare_id < LABEL_BASE_INDEX) {
 				const label = dojo.create('i', { className: "material-icons icon icon-label", innerHTML: "label" });
 
 				//const fg_color = args.item.fg_color[0];
@@ -163,8 +163,9 @@ define(["dojo/_base/declare", "dojo/dom-construct", "dijit/Tree", "dijit/Menu"],
 			if (item.auxcounter > 0) rc += " Has_Aux";
 			if (item.markedcounter > 0) rc += " Has_Marked";
 			if (item.updates_disabled > 0) rc += " UpdatesDisabled";
-			if (item.bare_id < 0 && !is_cat || item.bare_id == 0 && !is_cat) rc += " Special";
+			if (item.bare_id >= LABEL_BASE_INDEX && item.bare_id < 0 && !is_cat || item.bare_id == 0 && !is_cat) rc += " Special";
 			if (item.bare_id == -1 && is_cat) rc += " AlwaysVisible";
+			if (item.bare_id < LABEL_BASE_INDEX) rc += " Label";
 
 			return rc;
 		},
diff --git a/js/common.js b/js/common.js
index e93087eb4..69b528a1c 100755
--- a/js/common.js
+++ b/js/common.js
@@ -1,7 +1,7 @@
 'use strict'
 /* global dijit, __ */
 
-let _label_base_index = -1024;
+let LABEL_BASE_INDEX = -1024; /* not const because it's assigned at least once (by backend) */
 let loading_progress = 0;
 
 /* error reporting shim */
@@ -252,12 +252,12 @@ function displayIfChecked(checkbox, elemId) {
 
 // noinspection JSUnusedGlobalSymbols
 function label_to_feed_id(label) {
-	return _label_base_index - 1 - Math.abs(label);
+	return LABEL_BASE_INDEX - 1 - Math.abs(label);
 }
 
 // noinspection JSUnusedGlobalSymbols
 function feed_to_label_id(feed) {
-	return _label_base_index - 1 + Math.abs(feed);
+	return LABEL_BASE_INDEX - 1 + Math.abs(feed);
 }
 
 // http://stackoverflow.com/questions/6251937/how-to-get-selecteduser-highlighted-text-in-contenteditable-element-and-replac
@@ -313,4 +313,4 @@ function escapeHtml(text) {
 	};
 
 	return text.replace(/[&<>"']/g, function(m) { return map[m]; });
-}
\ No newline at end of file
+}