diff --git a/bora/src/SlicingDataModel.cpp b/bora/src/SlicingDataModel.cpp
index bf3f14f4..cc9728ce 100644
--- a/bora/src/SlicingDataModel.cpp
+++ b/bora/src/SlicingDataModel.cpp
@@ -77,12 +77,11 @@ namespace Bora {
         NodeSets nodeSets = slicingtree->getNodeSets();
         switch ( index.column() ) {
           case 0: return QVariant( row );
-          case 1: return QVariant( DbU::toPhysical(nodeSets[row]->getHeight()        , DbU::Micro) );
-          case 2: return QVariant( DbU::toPhysical(nodeSets[row]->getWidth()         , DbU::Micro) );
-          case 3: return QVariant( nodeSets[row]->getOccupationArea()                              );
-          case 4: return QVariant( nodeSets[row]->getCpt()                                         );
-          case 5: return QVariant( (double) ( nodeSets[row]->getWidth()
-                                   / nodeSets[row]->getHeight()) );
+          case 1: return QVariant( DbU::toPhysical(nodeSets[row]->getHeight(), DbU::Micro) );
+          case 2: return QVariant( DbU::toPhysical(nodeSets[row]->getWidth (), DbU::Micro) );
+          case 3: return QVariant( nodeSets[row]->getOccupationArea() );
+          case 4: return QVariant( nodeSets[row]->getCpt() );
+          case 5: return QVariant( nodeSets[row]->getRatio() );
           case 6: return QVariant( DbU::getPhysical( nodeSets[row]->getWidth() ,DbU::Micro) 
                                  * DbU::getPhysical( nodeSets[row]->getHeight(),DbU::Micro) );
           default:
diff --git a/bora/src/bora/BoxSet.h b/bora/src/bora/BoxSet.h
index d20cf8fb..82417571 100644
--- a/bora/src/bora/BoxSet.h
+++ b/bora/src/bora/BoxSet.h
@@ -87,7 +87,7 @@ namespace Bora {
   inline DbU::Unit    BoxSet::getWidth          () const { return _width; }
   inline unsigned int BoxSet::getCpt            () const { return _cpt; }
   inline void         BoxSet::incrementCpt      ()       { _cpt++; }
-  inline double       BoxSet::getRatio          ()       { return _width/_height; }
+  inline double       BoxSet::getRatio          ()       { return (double)_width/(double)_height; }
   inline double       BoxSet::getArea           ()       { return _width*_height; }
   inline unsigned int BoxSet::getType           () const { return UnknownType; }
   inline double       BoxSet::getOccupationArea () const { return 100; }