1 files changed, 1 insertions, 1 deletions

diff --git a/src/test/WixToolsetTest.CoreIntegration/ExtensionFixture.cs b/src/test/WixToolsetTest.CoreIntegration/ExtensionFixture.cs
index 4bc5b535..b75e8ad9 100644
--- a/src/test/WixToolsetTest.CoreIntegration/ExtensionFixture.cs
+++ b/src/test/WixToolsetTest.CoreIntegration/ExtensionFixture.cs
@@ -63,7 +63,7 @@ namespace WixToolsetTest.CoreIntegration
                 Assert.Equal(@"example.txt", fileTuple[FileTupleFields.Source].PreviousValue.AsPath().Path);
 
                 var example = section.Tuples.Where(t => t.Definition.Type == TupleDefinitionType.MustBeFromAnExtension).Single();
-                Assert.Equal("Foo", example.Id.Id);
+                Assert.Null(example.Id?.Id);
                 Assert.Equal("Foo", example[0].AsString());
                 Assert.Equal("Bar", example[1].AsString());
             }