From 68685dcf42aecf50a5ebe6e4f524e5398455969d Mon Sep 17 00:00:00 2001
From: Lukas Martinelli <me@lukasmartinelli.ch>
Date: Thu, 12 Jan 2017 13:15:04 +0100
Subject: [PATCH] Only set source layer if not undefined

---
 src/components/modals/AddModal.jsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/components/modals/AddModal.jsx b/src/components/modals/AddModal.jsx
index eb2dd7b..d08a539 100644
--- a/src/components/modals/AddModal.jsx
+++ b/src/components/modals/AddModal.jsx
@@ -31,7 +31,7 @@ class AddModal extends React.Component {
 
     if(this.state.type !== 'background') {
       layer.source = this.state.source
-      if(this.state.type !== 'raster') {
+      if(this.state.type !== 'raster' && this.state['source-layer']) {
         layer['source-layer'] = this.state['source-layer']
       }
     }