diff --git a/setup.py b/setup.py
index 3f22140..ddc3e41 100644
--- a/setup.py
+++ b/setup.py
@@ -140,8 +140,8 @@ setup(name='setools',
       cmdclass={'build_yacc': YaccCommand,
                 'build_lex': LexCommand,
                 'build_ext': BuildExtCommand},
-      packages=['setools', 'setools.policyrep', 'setoolsgui', 'setoolsgui.apol'],
-      scripts=['apol', 'seinfo', 'seinfoflow', 'sesearch', 'sedta'],
+      packages=['setools', 'setools.diff', 'setools.policyrep', 'setoolsgui', 'setoolsgui.apol'],
+      scripts=['apol', 'sediff', 'seinfo', 'seinfoflow', 'sesearch', 'sedta'],
       data_files=[(join(sys.prefix, 'share/setools'), glob.glob("data/*.ui") + ["data/perm_map"] ),
                   (join(sys.prefix, 'share/setools/icons'), glob.glob("data/icons/*.png"))],
       ext_modules=ext_py_mods,