diff --git a/JetKarmaBot/Models/Chat.cs b/JetKarmaBot/Models/Chat.cs
index 78ca4f5..ddb6076 100644
--- a/JetKarmaBot/Models/Chat.cs
+++ b/JetKarmaBot/Models/Chat.cs
@@ -12,6 +12,7 @@ namespace JetKarmaBot.Models
 
         public long ChatId { get; set; }
         public string Locale { get; set; }
+        public bool IsAdministrator { get; set; }
 
         public virtual ICollection<Award> Awards { get; set; }
     }
diff --git a/JetKarmaBot/Models/KarmaContext.cs b/JetKarmaBot/Models/KarmaContext.cs
index 6c55bd5..3d1c3ef 100644
--- a/JetKarmaBot/Models/KarmaContext.cs
+++ b/JetKarmaBot/Models/KarmaContext.cs
@@ -154,6 +154,11 @@ namespace JetKarmaBot.Models
                     .HasColumnName("locale")
                     .HasColumnType("varchar(10)")
                     .HasDefaultValueSql("'ru-RU'");
+
+                entity.Property(e => e.IsAdministrator)
+                    .HasColumnName("isadministrator")
+                    .HasColumnType("tinyint(1)")
+                    .HasDefaultValueSql("'0'");
             });
 
             modelBuilder.Entity<User>(entity =>