diff --git a/src/core/midi/midi_alsa_seq.cpp b/src/core/midi/midi_alsa_seq.cpp
index 384429705..ded6c77aa 100644
--- a/src/core/midi/midi_alsa_seq.cpp
+++ b/src/core/midi/midi_alsa_seq.cpp
@@ -326,8 +326,8 @@ void midiALSASeq::subscribeReadablePort( midiPort * _port,
 						const QString & _dest,
 						bool _subscribe )
 {
-	if( m_portIDs.contains( _port ) == FALSE ||
-				_port->inputEnabled() == FALSE )
+	if( _subscribe &&( m_portIDs.contains( _port ) == FALSE ||
+					_port->inputEnabled() == FALSE ) )
 	{
 		printf( "port %s can't be (un)subscribed!\n",
 					_port->name().toAscii().constData() );
@@ -367,8 +367,8 @@ void midiALSASeq::subscribeWriteablePort( midiPort * _port,
 						const QString & _dest,
 						bool _subscribe )
 {
-	if( m_portIDs.contains( _port ) == FALSE ||
-				_port->outputEnabled() == FALSE )
+	if( _subscribe && ( m_portIDs.contains( _port ) == FALSE ||
+					_port->outputEnabled() == FALSE ) )
 	{
 		printf( "port %s can't be (un)subscribed!\n",
 					_port->name().toAscii().constData() );
diff --git a/src/core/midi/midi_winmm.cpp b/src/core/midi/midi_winmm.cpp
index b80fdeac7..ad607beed 100644
--- a/src/core/midi/midi_winmm.cpp
+++ b/src/core/midi/midi_winmm.cpp
@@ -202,7 +202,7 @@ void midiWinMM::subscribeReadablePort( midiPort * _port,
 						const QString & _dest,
 						bool _subscribe )
 {
-	if( _port->inputEnabled() == FALSE )
+	if( _subscribe && _port->inputEnabled() == FALSE )
 	{
 		printf( "port %s can't be (un)subscribed!\n",
 					_port->name().toAscii().constData() );
@@ -226,7 +226,7 @@ void midiWinMM::subscribeWriteablePort( midiPort * _port,
 						const QString & _dest,
 						bool _subscribe )
 {
-	if( _port->outputEnabled() == FALSE && _subscribe == FALSE )
+	if( _subscribe && _port->outputEnabled() == FALSE )
 	{
 		printf( "port %s can't be (un)subscribed!\n",
 					_port->name().toAscii().constData() );