diff --git a/manim/file_writer/file_writer.py b/manim/file_writer/file_writer.py
index bfd3843a57..37f13e237a 100644
--- a/manim/file_writer/file_writer.py
+++ b/manim/file_writer/file_writer.py
@@ -687,7 +687,7 @@ def combine_files(
                 output_container.mux(packet)
 
         else:
-            output_stream = output_container.add_stream(
+            output_stream = output_container.add_stream_from_template(
                 template=partial_movies_stream,
             )
             if config.transparent and config.movie_file_extension == ".webm":