diff --git a/IOB-WIN/App.Release.config b/IOB-WIN/App.Release.config
index 693347a9..0f80d173 100644
--- a/IOB-WIN/App.Release.config
+++ b/IOB-WIN/App.Release.config
@@ -5,6 +5,7 @@
   <appSettings>
     <add key="autoLoadConf" value="true" xdt:Transform="Replace" xdt:Locator="Match(key)"/>
     <add key="DemoIn" value="false" xdt:Transform="Replace" xdt:Locator="Match(key)"/>
+    <add key="DemoOut" value="false" xdt:Transform="Replace" xdt:Locator="Match(key)"/>
     <add key="verbose" value="false" xdt:Transform="Replace" xdt:Locator="Match(key)"/>
   </appSettings>
 </configuration>
\ No newline at end of file