diff --git a/DMX-2.0/AlsaSeqLib.cs b/DMX-2.0/AlsaSeqLib.cs
index c2c3141..c8ce743 100644
--- a/DMX-2.0/AlsaSeqLib.cs
+++ b/DMX-2.0/AlsaSeqLib.cs
@@ -124,10 +124,15 @@ namespace DMX2
 
 			clientId = Invoke.snd_seq_client_id (seq_handle.Handle);
 
-			outport = inport = Invoke.snd_seq_create_simple_port (seq_handle.Handle, "dmx_ctrl",
-			                                      SND_SEQ_PORT_CAP_WRITE + SND_SEQ_PORT_CAP_SUBS_WRITE +
-				SND_SEQ_PORT_CAP_READ + SND_SEQ_PORT_CAP_SUBS_READ, 
-			                                      SND_SEQ_PORT_TYPE_APPLICATION);
+			outport = inport = Invoke.snd_seq_create_simple_port (seq_handle.Handle, 
+			                                                      "dmx_ctrl",
+			                                                      SND_SEQ_PORT_CAP_WRITE 
+			                                                      //+ SND_SEQ_PORT_CAP_SUBS_WRITE 
+			                                                      + SND_SEQ_PORT_CAP_READ
+			                                                      //+ SND_SEQ_PORT_CAP_SUBS_READ
+			                                                      , 
+			                                                      SND_SEQ_PORT_TYPE_APPLICATION
+			                                                      );
 
 		}