diff --git a/src/core/InstrumentSoundShaping.cpp b/src/core/InstrumentSoundShaping.cpp
index bbc16c99cf6..56011de04c5 100644
--- a/src/core/InstrumentSoundShaping.cpp
+++ b/src/core/InstrumentSoundShaping.cpp
@@ -306,7 +306,7 @@ f_cnt_t InstrumentSoundShaping::releaseFrames() const
 
 	f_cnt_t ret_val = m_instrumentTrack->instrument()->desiredReleaseFrames();
 
-	if( !m_instrumentTrack->instrument()->flags().testFlag( Instrument::IsSingleStreamed ) )
+	if( m_instrumentTrack->instrument()->flags().testFlag( Instrument::IsSingleStreamed ) )
 	{
 		return ret_val;
 	}