diff --git a/components/engine/.gitignore b/components/engine/.gitignore
index fc4ca5da3b..d557404214 100644
--- a/components/engine/.gitignore
+++ b/components/engine/.gitignore
@@ -3,3 +3,4 @@ docker/docker
 dockerd/dockerd
 .*.swp
 a.out
+*.orig