diff --git a/MP.Data/DatabaseModels/DdbTurni.cs b/MP.Data/DatabaseModels/DdbTurni.cs
index ca6059ec..dbdd1e8e 100644
--- a/MP.Data/DatabaseModels/DdbTurni.cs
+++ b/MP.Data/DatabaseModels/DdbTurni.cs
@@ -21,7 +21,7 @@ namespace MP.Data.DatabaseModels
 
         [NotMapped]
         [DisplayFormat(DataFormatString = "{0:N2}", ApplyFormatInEditMode = true)]
-        public long? DurataMin
+        public long DurataMin
         {
             get
             {