diff --git a/Simulator.cpp b/Simulator.cpp
index d8ce385..003301b 100644
--- a/Simulator.cpp
+++ b/Simulator.cpp
@@ -125,6 +125,7 @@ Simulator::Start( bool bFirst)
   // Definisco tabella variabili globali
    if ( ! m_pMachine->LuaCreateGlobTable( GLOB_VAR))
       bOk = false ;
+   m_pMachine->LuaSetGlobVar( GLOB_VAR + GVAR_SIMSTEP, m_dStep, true) ;
 
   // Richiamo funzione su avvio simulazione
    if ( ! OnStart( bFirst))