diff --git a/hurricane/src/hurricane/DbU.cpp b/hurricane/src/hurricane/DbU.cpp
index be603981..10bcb5d5 100644
--- a/hurricane/src/hurricane/DbU.cpp
+++ b/hurricane/src/hurricane/DbU.cpp
@@ -229,8 +229,8 @@ namespace Hurricane {
 
   DbU::Unit  DbU::getOnCustomGrid ( DbU::Unit u, DbU::Unit step, SnapMode mode )
   {
-    DbU::Unit  inferior =     ( u / step ) * step;
-    DbU::Unit  modulo   = abs ( u % step );
+    DbU::Unit  inferior = ( u / step ) * step;
+    DbU::Unit  modulo   = ( u % step );
 
     if ( !modulo ) return u;
     if (  modulo < 0  ) inferior -= step;
diff --git a/hurricane/src/hviewer/CellWidget.cpp b/hurricane/src/hviewer/CellWidget.cpp
index 0638d7fa..f933b00d 100644
--- a/hurricane/src/hviewer/CellWidget.cpp
+++ b/hurricane/src/hviewer/CellWidget.cpp
@@ -178,8 +178,8 @@ namespace Hurricane {
   QPoint  CellWidget::Spot::computeSpotPoint ( const QPoint& screenPoint )
   {
     Point mousePoint = _cellWidget->screenToDbuPoint ( screenPoint );
-    Point  spotPoint = Point ( _cellWidget->_onSnapGrid(mousePoint.getX())
-                             , _cellWidget->_onSnapGrid(mousePoint.getY())
+    Point  spotPoint = Point ( _cellWidget->_onCursorGrid(mousePoint.getX())
+                             , _cellWidget->_onCursorGrid(mousePoint.getY())
                              );
 
     return _cellWidget->dbuToScreenPoint(spotPoint);
diff --git a/hurricane/src/isobar/CMakeLists.txt b/hurricane/src/isobar/CMakeLists.txt
index 6cf31417..f1124fe9 100644
--- a/hurricane/src/isobar/CMakeLists.txt
+++ b/hurricane/src/isobar/CMakeLists.txt
@@ -97,7 +97,7 @@
                install ( TARGETS Hurricane-static   DESTINATION /lib/python )
  else ( BUILD_STATIC )
            add_library ( isobar SHARED ${sources} )
- target_link_libraries ( isobar hurricane ${PYTHON_LIBRARIES} )
+ target_link_libraries ( isobar hurricane ${PYTHON_LIBRARIES} -lutil )
 
            add_library ( Hurricane MODULE ${sources} ) 
  set_target_properties ( Hurricane PROPERTIES