diff --git a/org.soundconverter.SoundConverter.yml b/org.soundconverter.SoundConverter.yml
index 4bad99b..e233e61 100644
--- a/org.soundconverter.SoundConverter.yml
+++ b/org.soundconverter.SoundConverter.yml
@@ -16,6 +16,8 @@ finish-args:
   - --filesystem=xdg-music
   - --filesystem=/media
   - --filesystem=/run/media
+  # Workaround for https://github.com/flathub/org.soundconverter.SoundConverter/issues/6
+  - --env=PYTHONPATH=/app/lib/python3.9/site-packages
 cleanup:
   - /lib/python*/site-packages/python_distutils_extra-*
 modules: