diff --git a/bindings/python/setup.py b/bindings/python/setup.py
index f6dcfa05f..49a608de7 100644
--- a/bindings/python/setup.py
+++ b/bindings/python/setup.py
@@ -124,7 +124,7 @@ else:
 			os.environ['CFLAGS'] = os.environ['CXXFLAGS']
 
 		ext = [Extension('libtorrent',
-			sources = source_list,
+			sources = sorted(source_list),
 			language='c++',
 			include_dirs = flags.include_dirs,
 			library_dirs = flags.library_dirs,