diff --git a/EXE_GdbPartLayers.cpp b/EXE_GdbPartLayers.cpp
index e136caa..2cb6633 100644
--- a/EXE_GdbPartLayers.cpp
+++ b/EXE_GdbPartLayers.cpp
@@ -724,7 +724,12 @@ ExeDuploCount( int nSouId, int& nCount)
   // Recupero info del sorgente
    INTVECTOR vnRef ;
    pGeomDB->GetInfo( nSouId, GDB_SI_DUPLIST, vnRef) ;
-   nCount = int( vnRef.size()) ;
+  // Conto i reali duplo
+   nCount = 0 ;
+   for ( int i = 0 ; i < int( vnRef.size()) ; ++ i) {
+      if ( ExeIsDuplo( vnRef[i]))
+         ++ nCount ;
+   }
    return true ;
 }
 
@@ -739,6 +744,11 @@ ExeDuploList( int nSouId, INTVECTOR& vnRef)
       return false ;
   // Recupero info del sorgente
    pGeomDB->GetInfo( nSouId, GDB_SI_DUPLIST, vnRef) ;
+  // Elimino duplo non pił esistenti
+   for ( int i = int( vnRef.size()) - 1 ; i >= 0 ; -- i) {
+      if ( ! ExeIsDuplo( vnRef[i]))
+         vnRef.erase( vnRef.begin() + i) ;
+   }
    return true ;
 }