diff --git a/dotnet/IEC61850forCSharp/Control.cs b/dotnet/IEC61850forCSharp/Control.cs
index b3c2bcc9..97a3d767 100644
--- a/dotnet/IEC61850forCSharp/Control.cs
+++ b/dotnet/IEC61850forCSharp/Control.cs
@@ -775,7 +775,10 @@ namespace IEC61850
 				Dispose (true);
 			}
 				
-
+			~ControlObject()
+			{
+				Dispose (false);
+			}
 		}
 
 	}