diff --git a/src/Sound/voice.cxx b/src/Sound/voice.cxx
index fc850d3..63037ee 100644
--- a/src/Sound/voice.cxx
+++ b/src/Sound/voice.cxx
@@ -126,6 +126,10 @@ void FGVoiceMgr::shutdown()
 
 void FGVoiceMgr::update(double dt)
 {
+
+	SG_LOG(SG_SOUND, SG_INFO, "FGVoice::update " << dt  );
+
+
 	if (!_enabled)
 		return;