1 files changed, 3 insertions, 1 deletions

diff --git a/noncore/multimedia/tonleiter/tonleiterdatahelper.cpp b/noncore/multimedia/tonleiter/tonleiterdatahelper.cpp
index 5714cea..156dba5 100644
--- a/noncore/multimedia/tonleiter/tonleiterdatahelper.cpp
+++ b/noncore/multimedia/tonleiter/tonleiterdatahelper.cpp
@@ -1,4 +1,6 @@
 #include "tonleiterdatahelper.h"
 
+#include <math.h>
+
 using namespace Data;
 
@@ -77,5 +79,5 @@ int Instrument::noOfOctaves()
     int lowest=strings[0];
     int highest=strings[strings.count()-1]+frets;
-    return (int)((highest-lowest)/12.0);
+    return (int) ceil((highest-lowest)/12.0);
 }
 //****************************************************************************