From a55f963e52dd66d456d10a1f2729b34b8ac8575d Mon Sep 17 00:00:00 2001
From: Maxime Beauchemin <maximebeauchemin@gmail.com>
Date: Mon, 26 Jun 2017 11:00:21 -0700
Subject: [PATCH] [bugfix] issue creating separators & markup slices (#3041)

---
 superset/assets/javascripts/explore/stores/controls.jsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/superset/assets/javascripts/explore/stores/controls.jsx b/superset/assets/javascripts/explore/stores/controls.jsx
index da6ff386ad..45a3b7cbb2 100644
--- a/superset/assets/javascripts/explore/stores/controls.jsx
+++ b/superset/assets/javascripts/explore/stores/controls.jsx
@@ -871,7 +871,7 @@ export const controls = {
     label: 'Code',
     description: 'Put your code here',
     mapStateToProps: state => ({
-      language: state.controls ? state.controls.markup_type.value : null,
+      language: state.controls && state.controls.markup_type ? state.controls.markup_type.value : 'markdown',
     }),
     default: '',
   },