diff --git a/TURN.Services.Chess/DBModel/ModelBaseContext.cs b/TURN.Services.Chess/DBModel/ModelBaseContext.cs
index 200052c..ee89197 100644
--- a/TURN.Services.Chess/DBModel/ModelBaseContext.cs
+++ b/TURN.Services.Chess/DBModel/ModelBaseContext.cs
@@ -1,4 +1,6 @@
-namespace TURN.Services.Chess.DBModel
+using Microsoft.EntityFrameworkCore;
+
+namespace TURN.Services.Chess.DBModel
 {
     public partial class ModelBaseContext : DbContext
     {