diff --git a/EXE_GdbObjects.cpp b/EXE_GdbObjects.cpp
index 5113817..aaeaa78 100644
--- a/EXE_GdbObjects.cpp
+++ b/EXE_GdbObjects.cpp
@@ -257,6 +257,7 @@ ExeCopy( int nSouId, int nRefId, int nSonBeforeAfter)
   // eseguo la copia
    int nNewId = pGeomDB->Copy( nSouId, GDB_ID_NULL, nRefId, nSonBeforeAfter) ;
    pGeomDB->RemoveInfo( nNewId, GDB_SI_LIST) ;
+   pGeomDB->RemoveInfo( nNewId, GDB_SI_DUPLIST) ;
    ExeSetModified() ;
   // se richiesto, salvo il comando Lua equivalente
    if ( IsCmdLog()) {
@@ -285,6 +286,7 @@ ExeCopyGlob( int nSouId, int nRefId, int nSonBeforeAfter)
   // eseguo la copia mantenendo la posizione in globale
    int nNewId = pGeomDB->CopyGlob( nSouId, GDB_ID_NULL, nRefId, nSonBeforeAfter) ;
    pGeomDB->RemoveInfo( nNewId, GDB_SI_LIST) ;
+   pGeomDB->RemoveInfo( nNewId, GDB_SI_DUPLIST) ;
    ExeSetModified() ;
   // se richiesto, salvo il comando Lua equivalente
    if ( IsCmdLog()) {
diff --git a/EgtExecutor.rc b/EgtExecutor.rc
index f9febc6..9eb049c 100644
Binary files a/EgtExecutor.rc and b/EgtExecutor.rc differ