1 files changed, 1 insertions, 0 deletions

diff --git a/src/test/Example.Extension/ExamplePreprocessorExtensionAndCommandLine.cs b/src/test/Example.Extension/ExamplePreprocessorExtensionAndCommandLine.cs
index 6f86e20d..8fed7944 100644
--- a/src/test/Example.Extension/ExamplePreprocessorExtensionAndCommandLine.cs
+++ b/src/test/Example.Extension/ExamplePreprocessorExtensionAndCommandLine.cs
@@ -5,6 +5,7 @@ namespace Example.Extension
     using System;
     using System.Collections.Generic;
     using WixToolset.Extensibility;
+    using WixToolset.Extensibility.Data;
     using WixToolset.Extensibility.Services;
 
     internal class ExamplePreprocessorExtensionAndCommandLine : BasePreprocessorExtension, IExtensionCommandLine