diff --git a/CamData.cpp b/CamData.cpp
index 65a8eff..1c42a48 100644
--- a/CamData.cpp
+++ b/CamData.cpp
@@ -473,6 +473,8 @@ CamData::Mirror( const Point3d& ptOn, const Vector3d& vtNorm)
    if ( ! m_ptCen.Mirror( ptOn, vtNorm))
       return false ;
    m_dAngCen = - m_dAngCen ;
+   if ( ! m_vtN.Mirror( vtNorm))
+      return false ;
    if ( ! m_vtTool.Mirror( vtNorm))
       return false ;
    if ( ! m_vtCorr.Mirror( vtNorm))
diff --git a/Operation.cpp b/Operation.cpp
index d4f17fd..12a79bb 100644
--- a/Operation.cpp
+++ b/Operation.cpp
@@ -1917,6 +1917,7 @@ Operation::CalculateAxesValues( const string& sHint, bool bSolChExact, double dS
   // calcolo il valore degli assi macchina di tutti i movimenti
    bool bOk = true ;
    if ( pMch->GetCurrKinematicChainType() == KIN_CHAIN_MCENT) {
+      m_pGeomDB->SetInfo( nClId, KEY_KINTYPE, KIN_CHAIN_MCENT) ;
       int nClPathId = m_pGeomDB->GetFirstGroupInGroup( nClId) ;
       while ( nClPathId != GDB_ID_NULL) {
          if ( ! CalculateClPathMcentAxesValues( nClPathId, dAngDeltaMinForHome, vAxRotHome, vAxRotPrec))
@@ -1925,6 +1926,7 @@ Operation::CalculateAxesValues( const string& sHint, bool bSolChExact, double dS
       }
    }
    else if ( pMch->GetCurrKinematicChainType() == KIN_CHAIN_ROBOT) {
+      m_pGeomDB->SetInfo( nClId, KEY_KINTYPE, KIN_CHAIN_ROBOT) ;
       int nClPathId = m_pGeomDB->GetFirstGroupInGroup( nClId) ;
       while ( nClPathId != GDB_ID_NULL) {
          if ( ! CalculateClPathRobotAxesValues( nClPathId, dAngDeltaMinForHome, vAxRotHome, vAxRotPrec))
@@ -1932,8 +1934,10 @@ Operation::CalculateAxesValues( const string& sHint, bool bSolChExact, double dS
          nClPathId = m_pGeomDB->GetNextGroup( nClPathId) ;
       }
    }
-   else
+   else {
+      m_pGeomDB->SetInfo( nClId, KEY_KINTYPE, KIN_CHAIN_NONE) ;
       bOk = false ;
+   }
 
    return bOk ;
 }