1 files changed, 13 insertions, 3 deletions

diff --git a/src/WixToolset.Core.WindowsInstaller/Bind/CreateIdtFileCommand.cs b/src/WixToolset.Core.WindowsInstaller/Bind/CreateIdtFileCommand.cs
index 6b1dead5..f09a2e47 100644
--- a/src/WixToolset.Core.WindowsInstaller/Bind/CreateIdtFileCommand.cs
+++ b/src/WixToolset.Core.WindowsInstaller/Bind/CreateIdtFileCommand.cs
@@ -1,4 +1,4 @@
-// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
 
 namespace WixToolset.Core.WindowsInstaller.Bind
 {
@@ -122,13 +122,18 @@ namespace WixToolset.Core.WindowsInstaller.Bind
             tableString.Append(definition.Name);
             foreach (var column in definition.Columns)
             {
-                // conditionally keep columns added in a transform; otherwise,
-                // break because columns can only be added at the end
+                // Conditionally keep columns added in a transform; otherwise,
+                // break because columns can only be added at the end.
                 if (column.Added && !keepAddedColumns)
                 {
                     break;
                 }
 
+                if (column.Unreal)
+                {
+                    continue;
+                }
+
                 if (!first)
                 {
                     columnString.Append('\t');
@@ -168,6 +173,11 @@ namespace WixToolset.Core.WindowsInstaller.Bind
                     break;
                 }
 
+                if (field.Column.Unreal)
+                {
+                    continue;
+                }
+
                 if (first)
                 {
                     first = false;