1 files changed, 2 insertions, 1 deletions
diff --git a/Ivy/IvyTCPStreamV4.cs b/Ivy/IvyTCPStreamV4.cs
index 20526c7..3550443 100644
--- a/Ivy/IvyTCPStreamV4.cs
+++ b/Ivy/IvyTCPStreamV4.cs
@@ -50,7 +50,8 @@ namespace IvyBus
         {
             this.output.Close();
             this.input.Close();
-            this.Socket.Shutdown(SocketShutdown.Both);
+            if (this.Socket != null) // Correct problem in Mono ( under linux )
+                this.Socket.Shutdown(SocketShutdown.Both);
             base.Close();
         }