diff --git a/Sources/VLPitchTransformer.mm b/Sources/VLPitchTransformer.mm
index f09db09..717bfd0 100644
--- a/Sources/VLPitchTransformer.mm
+++ b/Sources/VLPitchTransformer.mm
@@ -27,8 +27,8 @@ const char * sPitch2Name = "C D EF G A B";
 	pitch %= 12;
 	if (sPitch2Name[pitch] == ' ')
 		return [NSString stringWithFormat:@"%c%C%d / %c%C%d", 
-						 sPitch2Name[pitch-1], kVLSharpChar, octave, 
-						 sPitch2Name[pitch+1], kVLFlatChar, octave];
+						 sPitch2Name[pitch-1], unichar(kVLSharpChar), octave,
+						 sPitch2Name[pitch+1], unichar(kVLFlatChar), octave];
 	else
 		return [NSString stringWithFormat:@"%c%d",
 						 sPitch2Name[pitch], octave];