diff --git a/manimlib/scene/scene_file_writer.py b/manimlib/scene/scene_file_writer.py
index 6f160c3c..297e96d0 100644
--- a/manimlib/scene/scene_file_writer.py
+++ b/manimlib/scene/scene_file_writer.py
@@ -308,7 +308,7 @@ class SceneFileWriter(object):
         )
         temp_file_path = stem + "_temp" + ext
         commands = [
-            "ffmpeg",
+            FFMPEG_BIN,
             "-i", movie_file_path,
             "-i", sound_file_path,
             '-y',  # overwrite output file if it exists