From 53a90b6d5c38445c9d3ffdb5b847aa9aa6c377ee Mon Sep 17 00:00:00 2001
From: Martin Edenhofer <me@edenhofer.de>
Date: Thu, 24 Jan 2013 01:46:37 +0100
Subject: [PATCH] Improved state_check().

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

diff --git a/app/models/setting.rb b/app/models/setting.rb
index 34995747e..3b590ddbe 100644
--- a/app/models/setting.rb
+++ b/app/models/setting.rb
@@ -54,7 +54,7 @@ class Setting < ApplicationModel
     end
     def state_check
       if self.state
-        if !self.state.has_key?(:value)
+        if !self.state.respond_to?('has_key?') || !self.state.has_key?(:value)
           self.state = { :value => self.state }
         end
       end