1 files changed, 1 insertions, 1 deletions

diff --git a/src/wix/test/WixToolsetTest.Sdk/MsbuildFixture.cs b/src/wix/test/WixToolsetTest.Sdk/MsbuildFixture.cs
index 25fd61d9..62581eb5 100644
--- a/src/wix/test/WixToolsetTest.Sdk/MsbuildFixture.cs
+++ b/src/wix/test/WixToolsetTest.Sdk/MsbuildFixture.cs
@@ -486,7 +486,7 @@ namespace WixToolsetTest.Sdk
             {
                 fs.Initialize(sourceFolder);
                 var baseFolder = fs.BaseFolder;
-                var slnPath = Path.Combine(baseFolder, "MultiCulturalMsiPackage.sln");
+                var slnPath = Path.Combine(baseFolder, "MultiCulturalMsiPackage.slnx");
                 var projectFolder = Path.Combine(baseFolder, "MsiPackage");
 
                 var result = MsbuildUtilities.BuildProject(buildSystem, slnPath, new[]