diff --git a/src/engine/fileOps/tfm.cpp b/src/engine/fileOps/tfm.cpp
index c2bb8878f..046c1b90e 100644
--- a/src/engine/fileOps/tfm.cpp
+++ b/src/engine/fileOps/tfm.cpp
@@ -276,7 +276,7 @@ void TFMParsePattern(struct TFMParsePatternInfo info) {
       logD("parsing volumes of pattern %d channel %d",i,j);
       for (int k=0; k<256; k++) {
         if (patDataBuf[k]==0) continue;
-        else pat->data[k][3]=0x41+(patDataBuf[k]*2);
+        else pat->data[k][3]=0x60+patDataBuf[k];
       }
 
       // instrument