diff --git a/libs/ardour/midi_ui.cc b/libs/ardour/midi_ui.cc
index 8d924350bf..6b629aabd5 100644
--- a/libs/ardour/midi_ui.cc
+++ b/libs/ardour/midi_ui.cc
@@ -85,9 +85,9 @@ bool
 MidiControlUI::midi_input_handler (IOCondition ioc, boost::shared_ptr<AsyncMIDIPort> port)
 {
 	DEBUG_TRACE (DEBUG::MidiIO, string_compose ("something happend on  %1\n", boost::shared_ptr<ARDOUR::Port> (port)->name()));
-	cerr << "Something happened on " << boost::shared_ptr<ARDOUR::Port> (port)->name() << " ioc = " << hex << ioc << dec << endl;
+	cout << "Something happened on " << boost::shared_ptr<ARDOUR::Port> (port)->name() << " ioc = " << hex << ioc << dec << endl;
 	if (ioc & ~IO_IN) {
-		cerr << "....no input ... do nothing\n";
+		cout << "....no input ... do nothing" << endl;
 		return false;
 	}
 
@@ -95,7 +95,7 @@ MidiControlUI::midi_input_handler (IOCondition ioc, boost::shared_ptr<AsyncMIDIP
 
 		port->clear ();
 		DEBUG_TRACE (DEBUG::MidiIO, string_compose ("data available on %1\n", boost::shared_ptr<ARDOUR::Port>(port)->name()));
-		cerr << "....input appears ready\n";
+		cout << "....input appears ready\n";
 		framepos_t now = _session.engine().sample_time();
 		port->parse (now);
 	}
diff --git a/libs/midi++2/ipmidi_port.cc b/libs/midi++2/ipmidi_port.cc
index 7e3eb5e0dd..6955bd9f86 100644
--- a/libs/midi++2/ipmidi_port.cc
+++ b/libs/midi++2/ipmidi_port.cc
@@ -302,7 +302,7 @@ IPMIDIPort::parse (framecnt_t timestamp)
 	int r = ::recvfrom (sockin, (char *) buf, sizeof(buf), 0, (struct sockaddr *) &sender, &slen);
 
 	if (r != 18) {
-		cerr << "IPMIDI: received from socket: " << r << endl;
+		cout << "IPMIDI: received from socket: " << r << endl;
 	}
 
 	if (r >= 0) {