diff --git a/src/tracks/InstrumentTrack.cpp b/src/tracks/InstrumentTrack.cpp
index 931e3d327..730ab97bd 100644
--- a/src/tracks/InstrumentTrack.cpp
+++ b/src/tracks/InstrumentTrack.cpp
@@ -652,8 +652,11 @@ bool InstrumentTrack::play( const MidiTime & _start, const fpp_t _frames,
 	for( tcoVector::Iterator it = tcos.begin(); it != tcos.end(); ++it )
 	{
 		Pattern* p = dynamic_cast<Pattern*>( *it );
-		// everything which is not a pattern or muted won't be played
-		if( p == NULL || ( *it )->isMuted() )
+		// everything which is not a pattern won't be played
+		// A pattern playing in the Piano Roll window will always play
+		if(p == NULL ||
+			(Engine::getSong()->playMode() != Song::Mode_PlayPattern
+			&& (*it)->isMuted()))
 		{
 			continue;
 		}