diff --git a/CSharp/Libraries/UniversalEditor.Core/CustomOption.cs b/CSharp/Libraries/UniversalEditor.Core/CustomOption.cs
index 4141801a..00fbfc2b 100644
--- a/CSharp/Libraries/UniversalEditor.Core/CustomOption.cs
+++ b/CSharp/Libraries/UniversalEditor.Core/CustomOption.cs
@@ -32,6 +32,7 @@ namespace UniversalEditor
 			: base(propertyName, title, enabled, visible)
 		{
 			mvarDefaultValue = defaultValue;
+			mvarValue = defaultValue;
 		}
 
 		private bool mvarDefaultValue = false;