diff --git a/EMkMachiningConst.h b/EMkMachiningConst.h
index 57dafb4..8e4196f 100644
--- a/EMkMachiningConst.h
+++ b/EMkMachiningConst.h
@@ -367,7 +367,8 @@ enum { MORTISE_PLUNGE_STEP = 0,
        MORTISE_PLUNGE_START = 1,
        MORTISE_PLUNGE_END = 2,
        MORTISE_PLUNGE_START_END = 3,
-       MORTISE_PLUNGE_START_TO_END = 4} ;
+       MORTISE_PLUNGE_START_TO_END = 4,
+       MORTISE_PLUNGE_STEP_NO_SAFEZ = 10} ;
 
 //----------------------------------------------------------------------------
 // Parametri per sgrossatura superfici