--- trunk/libxmltv/Core/XMLTVSource.cs	2013/03/07 13:36:42	30
+++ trunk/libxmltv/Core/XMLTVSource.cs	2013/03/07 13:46:39	31
@@ -7,6 +7,7 @@
 
 namespace libxmltv.Core
 {
+    [Serializable]
     internal class XMLTVSource : IXMLTVSource
     {
         private Dictionary<string, string> entries = new Dictionary<string, string>();