1 files changed, 1 insertions, 1 deletions

diff --git a/src/libs/dutil/test/DUtilUnitTest/AppUtilTests.cpp b/src/libs/dutil/test/DUtilUnitTest/AppUtilTests.cpp
index e8c23469..ee4a80a6 100644
--- a/src/libs/dutil/test/DUtilUnitTest/AppUtilTests.cpp
+++ b/src/libs/dutil/test/DUtilUnitTest/AppUtilTests.cpp
@@ -6,7 +6,7 @@ namespace DutilTests
 {
     using namespace System;
     using namespace Xunit;
-    using namespace WixBuildTools::TestSupport;
+    using namespace WixInternal::TestSupport;
 
     public ref class AppUtil
     {