diff --git a/src/ZB.MOM.WW.ScadaBridge.ConfigurationDatabase/Configurations/InstanceConfiguration.cs b/src/ZB.MOM.WW.ScadaBridge.ConfigurationDatabase/Configurations/InstanceConfiguration.cs
index 60de88cf..bd14aeeb 100644
--- a/src/ZB.MOM.WW.ScadaBridge.ConfigurationDatabase/Configurations/InstanceConfiguration.cs
+++ b/src/ZB.MOM.WW.ScadaBridge.ConfigurationDatabase/Configurations/InstanceConfiguration.cs
@@ -107,6 +107,10 @@ public class InstanceConnectionBindingConfiguration : IEntityTypeConfiguration<I
             .IsRequired()
             .HasMaxLength(200);
 
+        builder.Property(b => b.DataSourceReferenceOverride)
+            .HasMaxLength(512)
+            .IsRequired(false);
+
         builder.HasOne<DataConnection>()
             .WithMany()
             .HasForeignKey(b => b.DataConnectionId)