1 files changed, 2 insertions, 1 deletions

diff --git a/src/internal/WixInternal.TestSupport/DisposableFileSystem.cs b/src/internal/WixInternal.TestSupport/DisposableFileSystem.cs
index b03bbaa4..edf1f803 100644
--- a/src/internal/WixInternal.TestSupport/DisposableFileSystem.cs
+++ b/src/internal/WixInternal.TestSupport/DisposableFileSystem.cs
@@ -35,7 +35,8 @@ namespace WixInternal.TestSupport
 
         public string GetFolder(bool create = false)
         {
-            var path = Path.Combine(Path.GetTempPath(), Path.GetRandomFileName());
+            // Always return a path with a space in it.
+            var path = Path.Combine(Path.GetTempPath(), ".WIXTEST " + Path.GetRandomFileName());
 
             if (create)
             {