diff --git a/post-install.yml b/post-install.yml
index ad9ab10..04f99d4 100644
--- a/post-install.yml
+++ b/post-install.yml
@@ -28,5 +28,5 @@
         dest: /tmp/cirros-0.4.0-x86_64-disk.img
         checksum: sha256:a8dd75ecffd4cdd96072d60c2237b448e0c8b2bc94d57f10fdbc8c481d9005b8
     - shell: >
-          source source /srv/keystone/root/admin-openrc.sh &&
+          source /srv/keystone/root/admin-openrc.sh &&
           openstack image create --disk-format qcow2 cirros < cirros-0.4.0-x86_64-disk.img