From 01680a8ad3199ae2523510c1e0f37b50483b4ebe Mon Sep 17 00:00:00 2001
From: Martin Edenhofer <me@edenhofer.de>
Date: Fri, 25 Sep 2015 23:35:17 +0200
Subject: [PATCH] Fixed change of value / value_current.

---
 app/models/setting.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/app/models/setting.rb b/app/models/setting.rb
index c3483c4f2..a74d45c9e 100644
--- a/app/models/setting.rb
+++ b/app/models/setting.rb
@@ -141,8 +141,9 @@ reset config setting to default
     false
   end
 
-  # convert state ot hash to be able to store it as store
+  # convert state into hash to be able to store it as store
   def state_check
+    return if !state
     return if state && state.respond_to?('has_key?') && state.key?(:value)
     self.state_current = { value: state }
   end