diff --git a/compiler/Program.cs b/compiler/Program.cs
index c5f66c7..b365dac 100644
--- a/compiler/Program.cs
+++ b/compiler/Program.cs
@@ -177,7 +177,7 @@ static void WriteNublib(string outputPath, string archivePath, Manifest manifest
     var manifestEntry = zip.CreateEntry("manifest.json");
     using (var writer = new StreamWriter(manifestEntry.Open()))
     {
-        writer.Write(JsonSerializer.Serialize(manifest));
+        writer.Write(serialized);
     }
 
     var archiveEntry = zip.CreateEntry("lib.a");