diff --git a/MP.Data/Controllers/MpSpecController.cs b/MP.Data/Controllers/MpSpecController.cs
index 73c17c66..c5a2f7fd 100644
--- a/MP.Data/Controllers/MpSpecController.cs
+++ b/MP.Data/Controllers/MpSpecController.cs
@@ -207,7 +207,7 @@ namespace MP.Data.Controllers
                 dbResult = dbCtx
                     .DbSetArticoli
                     .AsNoTracking()
-                    .Where(x => (azienda == "*" || x.Azienda == azienda) && (string.IsNullOrEmpty(searchVal) || x.CodArticolo.Contains(searchVal) || x.DescArticolo.Contains(searchVal) || x.Disegno.Contains(searchVal)))
+                    .Where(x => (azienda == "*" || x.Azienda.Equals(azienda, StringComparison.InvariantCultureIgnoreCase)) && (string.IsNullOrEmpty(searchVal) || x.CodArticolo.Contains(searchVal) || x.DescArticolo.Contains(searchVal) || x.Disegno.Contains(searchVal)))
                     .OrderBy(x => x.CodArticolo)
                     .Take(numRecord)
                     .ToList();