diff --git a/.gitignore b/.gitignore
index 950e035bc7cf7..90ee1b51db4f9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -84,3 +84,6 @@ doc_tmp/
 # Config directories created by gcloud and gsutil on Jenkins
 /.config/gcloud/
 /.gsutil/
+
+# CoreOS stuff
+cluster/libvirt-coreos/coreos_*.img