diff --git a/MANIFEST.in b/MANIFEST.in
index c7d276bd6..25cbc334f 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -8,6 +8,7 @@ include TODO
 include babel.cfg
 include Makefile
 include ez_setup.py
+include sphinx-autogen.py
 include sphinx-build.py
 include sphinx-quickstart.py
 
diff --git a/sphinx/ext/autosummary/generate.py b/sphinx/ext/autosummary/generate.py
index 765b88ec8..c21d71ac5 100644
--- a/sphinx/ext/autosummary/generate.py
+++ b/sphinx/ext/autosummary/generate.py
@@ -235,4 +235,4 @@ def main(argv):
 
 
 if __name__ == '__main__':
-    main()
+    main(sys.argv)