From 55080194901f332289982e6b026c1fbf555a9ba3 Mon Sep 17 00:00:00 2001
From: Artur Arseniev <artur.catch@hotmail.it>
Date: Sun, 24 Mar 2019 19:50:55 +0100
Subject: [PATCH] Fix extendProperties in Sector. Closes #1913

---
 src/style_manager/model/Sector.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/style_manager/model/Sector.js b/src/style_manager/model/Sector.js
index 86fdf9bd8..85e85e603 100644
--- a/src/style_manager/model/Sector.js
+++ b/src/style_manager/model/Sector.js
@@ -72,7 +72,7 @@ module.exports = Backbone.Model.extend({
       }
     }
 
-    return ex ? isolated : props;
+    return ex ? isolated.filter(i => i) : props;
   },
 
   /**