diff --git a/mg/mg4200.cpp b/mg/mg4200.cpp
index 158766951..4c2e5f2ed 100755
--- a/mg/mg4200.cpp
+++ b/mg/mg4200.cpp
@@ -237,8 +237,9 @@ TStampainv_mask::TStampainv_mask():
   else {
     field(F_CATVENLISTINO).disable(); field(F_CODLISTINO).disable();
   }
-  TMag_livelli giaclev("FCA"),artlev("FCG");
-  
+  TCodart_livelli artlev;
+  TCodgiac_livelli giaclev;
+
   set_handler(F_TOLIVELLOART, handle_liv);
   set_handler(F_TOLIVELLOGIAC, handle_liv);
   set_handler(F_ORDINE, handle_ragg);