diff --git a/MapoDb/DataLayer.cs b/MapoDb/DataLayer.cs
index c317a475..7bf614c8 100644
--- a/MapoDb/DataLayer.cs
+++ b/MapoDb/DataLayer.cs
@@ -1060,10 +1060,11 @@ namespace MapoDb
           // cerco e rimuovo parametri sola lettura o SENZA richieste scrittura
           foreach (var item in actValues)
           {
-            objItem trovato = actValues.Find(obj => obj.writable == true && !string.IsNullOrEmpty(obj.reqValue));
-            if (trovato != null)
+            //objItem trovato = actValues.Find(obj => obj.writable == true && !string.IsNullOrEmpty(obj.reqValue));
+            //if (trovato != null)
+            if(item.writable && !string.IsNullOrEmpty(item.reqValue))
             {
-              writeValues.Add(trovato);
+              writeValues.Add(item);
             }
           }
         }