diff --git a/src/sound.cpp b/src/sound.cpp
index 7390cce8..11c3e1f4 100644
--- a/src/sound.cpp
+++ b/src/sound.cpp
@@ -443,7 +443,7 @@ static void FrameSoundStuff(int V)
       if((mod+curfreq[P])&0x800)
       {
        sweepon[P]=0;
-       curfreq[P]=0;
+//       curfreq[P]=0;		// fixes R.C.Pro Am II title music
       }
       else
       {