diff --git a/meson_post_install.py b/meson_post_install.py
index 17b4f2a..caf1c33 100644
--- a/meson_post_install.py
+++ b/meson_post_install.py
@@ -18,4 +18,4 @@ if not destdir:
     call(['glib-compile-schemas', path.join(datadir, 'glib-2.0', 'schemas')])
 
 print('Compiling python bytecode...')
-compile_dir(destdir + path.join(datadir, 'pithos', 'pithos'), optimize=2)
+compile_dir(destdir + path.join(datadir, 'pithos', 'pithos'))