diff --git a/EgtMachKernel.rc b/EgtMachKernel.rc
index 30eb6f8..55d2ce8 100644
Binary files a/EgtMachKernel.rc and b/EgtMachKernel.rc differ
diff --git a/Operation.cpp b/Operation.cpp
index dc119a2..e8b685d 100644
--- a/Operation.cpp
+++ b/Operation.cpp
@@ -28,7 +28,7 @@
 #include "/EgtDev/Include/EGkIntersCurves.h"
 #include "/EgtDev/Include/EGkIntersLineSurfTm.h"
 #include "/EgtDev/Include/EGkGeomDB.h"
-#include "/EgtDev/Include/EGkCDBoxPolyhedron.h"
+#include "/EgtDev/Include/EGkCDeBoxPolyhedron.h"
 #include "/EgtDev/Include/EXeConst.h"
 #include "/EgtDev/Include/EgtPointerOwner.h"
 
@@ -1999,7 +1999,7 @@ Operation::TestCollisionAvoid( const DBLVECTOR& vAxStart, const DBLVECTOR& vAxEn
                  // solido
                   const ISurfTriMesh* pStm = GetSurfTriMesh( m_pGeomDB->GetGeoObj( nRawSolidId)) ;
                  // verifica di collisione tra sottobox e solido
-                  if ( pStm == nullptr  ||  CDBoxPolyhedron( b3Hsol, *pStm)) {
+                  if ( pStm == nullptr  ||  CDeBoxPolyhedron( b3Hsol, *pStm)) {
                      bCollide = true ;
                      break ;
                   }