diff --git a/python/.gitignore b/python/.gitignore
index 8531de3f..35b00cc7 100644
--- a/python/.gitignore
+++ b/python/.gitignore
@@ -4,3 +4,4 @@ dist/*
 *.pyc
 *.pyo
 msgpack/__version__.py
+msgpack/_msgpack.c