diff --git a/MachMgrDBMachinings.cpp b/MachMgrDBMachinings.cpp
index 0ca0c55..29c14ca 100644
--- a/MachMgrDBMachinings.cpp
+++ b/MachMgrDBMachinings.cpp
@@ -301,6 +301,8 @@ MachMgr::MdbSetGeneralParam( int nType, double dVal)
       return pMsMgr->SetIntSawArcMaxSideAng( dVal) ;
    case MGP_SAFEAGGRBOTTZ :
       return pMsMgr->SetSafeAggrBottZ( dVal) ;
+   case MGP_MAXDEPTHSAFE :
+      return pMsMgr->SetMaxDepthSafe( dVal) ;
    }
    return false ;
 }
@@ -373,6 +375,9 @@ MachMgr::MdbGetGeneralParam( int nType, double& dVal) const
    case MGP_SAFEAGGRBOTTZ :
       dVal = pMsMgr->GetSafeAggrBottZ() ;
       return true ;
+   case MGP_MAXDEPTHSAFE :
+      dVal = pMsMgr->GetMaxDepthSafe() ;
+      return true ;
    }
    return false ;
 }