diff --git a/CHANGELOG.md b/CHANGELOG.md
index efbec15..a82f15a 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## v2.0.0-beta.34 - 2024-12-18
+
+- The OriginalName property was not set properly
+
 ## v2.0.0-beta.33 - 2024-12-17
 
 - Follow Nexus changes
diff --git a/src/Nexus.Sources.StructuredFile/StructureFileDataModelExtensions.cs b/src/Nexus.Sources.StructuredFile/StructureFileDataModelExtensions.cs
index ad1fe9a..5d4f53f 100644
--- a/src/Nexus.Sources.StructuredFile/StructureFileDataModelExtensions.cs
+++ b/src/Nexus.Sources.StructuredFile/StructureFileDataModelExtensions.cs
@@ -12,11 +12,6 @@ public static class StructuredFileDataModelExtensions
     /// </summary>
     public const string FileSourceIdKey = "file-source-id";
 
-    /// <summary>
-    /// A constant with the key for a original name property.
-    /// </summary>
-    public const string OriginalNameKey = "original-name";
-
     /// <summary>
     /// Adds a file source id property.
     /// </summary>
@@ -28,16 +23,5 @@ public static ResourceBuilder WithFileSourceId(this ResourceBuilder resourceBuil
         return resourceBuilder.WithProperty(FileSourceIdKey, fileSourceId);
     }
 
-    /// <summary>
-    /// Adds an original name property.
-    /// </summary>
-    /// <param name="resourceBuilder">The resource builder.</param>
-    /// <param name="originalName">The original name to add.</param>
-    /// <returns>A resource catalog builder.</returns>
-    public static ResourceBuilder WithOriginalName(this ResourceBuilder resourceBuilder, string originalName)
-    {
-        return resourceBuilder.WithProperty(OriginalNameKey, originalName);
-    }
-
     #endregion
 }
diff --git a/src/Nexus.Sources.StructuredFile/StructuredFileDataSource.cs b/src/Nexus.Sources.StructuredFile/StructuredFileDataSource.cs
index e7a0b3d..183c9e4 100644
--- a/src/Nexus.Sources.StructuredFile/StructuredFileDataSource.cs
+++ b/src/Nexus.Sources.StructuredFile/StructuredFileDataSource.cs
@@ -1,5 +1,6 @@
 using System.Buffers;
 using System.Diagnostics.CodeAnalysis;
+using System.Text.Json;
 using System.Text.RegularExpressions;
 using Microsoft.Extensions.Logging;
 using Nexus.DataModel;
@@ -501,7 +502,7 @@ protected virtual async Task ReadAsync(
                                             );
 
                                         var originalName = catalogItem.Resource.Properties?
-                                            .GetStringValue(StructuredFileDataModelExtensions.OriginalNameKey)!;
+                                            .GetStringValue(DataModelExtensions.OriginalNameKey) ?? throw new Exception("The OriginalName property is not set.");
 
                                         return new ReadRequest(
                                             OriginalResourceName: originalName,
@@ -744,13 +745,45 @@ async Task<ResourceCatalog> IDataSource.EnrichCatalogAsync(
 
         if (catalog.Resources is not null)
         {
+            // TODO: code duplication (DataModelExtensions.cs)
+            var isModified = false;
+            var newResources = new List<Resource>();
+
             foreach (var resource in catalog.Resources)
             {
-                // ensure file source id
-                var fileSourceId = resource.Properties?.GetStringValue(StructuredFileDataModelExtensions.FileSourceIdKey);
+                var resourceProperties = resource.Properties;
+                var newResource = resource;
+
+                var originalName = resourceProperties?
+                    .GetStringValue(DataModelExtensions.OriginalNameKey);
+
+                if (originalName is null)
+                {
+                    var newResourceProperties = resourceProperties is null
+                        ? []
+                        : resourceProperties!.ToDictionary(entry => entry.Key, entry => entry.Value);
+
+                    // Original name
+                    if (originalName is null)
+                        newResourceProperties[DataModelExtensions.OriginalNameKey] = JsonSerializer.SerializeToElement(resource.Id);
+
+                    newResource = resource with
+                    {
+                        Properties = newResourceProperties
+                    };
 
-                if (string.IsNullOrWhiteSpace(fileSourceId))
-                    throw new Exception($"The resource {resource.Id} is missing the file source property.");
+                    isModified = true;
+                }
+
+                newResources.Add(newResource);
+            }
+
+            if (isModified)
+            {
+                catalog = catalog with
+                {
+                    Resources = newResources
+                };
             }
         }
 
diff --git a/tests/Nexus.Sources.StructuredFile.Tests/StructuredFileDataSourceTests.cs b/tests/Nexus.Sources.StructuredFile.Tests/StructuredFileDataSourceTests.cs
index 0cf3044..526ae14 100644
--- a/tests/Nexus.Sources.StructuredFile.Tests/StructuredFileDataSourceTests.cs
+++ b/tests/Nexus.Sources.StructuredFile.Tests/StructuredFileDataSourceTests.cs
@@ -3,7 +3,6 @@
 using Nexus.Extensibility;
 using System.Globalization;
 using System.Reflection;
-using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 using System.Text.Json;
 using Xunit;
diff --git a/version.json b/version.json
index eef8daf..e3027e8 100755
--- a/version.json
+++ b/version.json
@@ -1,4 +1,4 @@
 {
     "version": "2.0.0",
-    "suffix": "beta.33"
+    "suffix": "beta.34"
 }
\ No newline at end of file