diff --git a/MANIFEST.in b/MANIFEST.in
index 390be51208d369862113110befa2097f02ac6801..8658aa30eb21c312f8367797a0a49539ab826505 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,2 +1,3 @@
 include README.rst bootstrap.py buildout.cfg
 recursive-include docs *.rst
+exclude .installed.cfg