1 files changed, 1 insertions, 1 deletions

diff --git a/src/WixToolset.Data/FileStructure.cs b/src/WixToolset.Data/FileStructure.cs
index 9ad9405a..722125d8 100644
--- a/src/WixToolset.Data/FileStructure.cs
+++ b/src/WixToolset.Data/FileStructure.cs
@@ -61,7 +61,7 @@ namespace WixToolset.Data
             {
                 fs.WriteType(writer, fileFormat);
 
-                fs.WriteEmbeddedFiles(writer, embedFilePaths.ToArray());
+                fs.WriteEmbeddedFiles(writer, embedFilePaths?.ToArray() ?? Array.Empty<string>());
 
                 // Remember the data stream offset, which is right after the embedded files have been written.
                 fs.dataStreamOffset = stream.Position;