diff --git a/MP.Data/Controllers/MpMonController.cs b/MP.Data/Controllers/MpMonController.cs
index 9c2ed87b..fd0ec868 100644
--- a/MP.Data/Controllers/MpMonController.cs
+++ b/MP.Data/Controllers/MpMonController.cs
@@ -43,6 +43,7 @@ namespace MP.Data.Controllers
             {
                 dbResult = dbCtx
                 .DbSetArticoli
+                .AsNoTracking()
                 .Where(x => x.CodArticolo.Contains(searchVal) || x.DescArticolo.Contains(searchVal) || x.Disegno.Contains(searchVal) || string.IsNullOrEmpty(searchVal))
                 .OrderBy(x => x.CodArticolo)
                 .Take(numRecord)
@@ -66,6 +67,7 @@ namespace MP.Data.Controllers
             {
                 dbResult = dbCtx
                 .DbSetMacchine
+                .AsNoTracking()
                 .OrderBy(x => x.IdxMacchina)
                 .ToList();
             }
@@ -83,6 +85,7 @@ namespace MP.Data.Controllers
             {
                 dbResult = dbCtx
                 .DbSetConfig
+                .AsNoTracking()
                 .OrderBy(x => x.Chiave)
                 .ToList();
             }
@@ -103,6 +106,7 @@ namespace MP.Data.Controllers
                 dbResult = dbCtx
                     .DbSetMSE
                     .FromSqlRaw("EXEC stp_MSE_getData @maxAgeSec", maxAgeSec)
+                    .AsNoTracking()
                     .ToList();
             }
             return dbResult;