diff --git a/planetstack/openstack_observer/ansible.py b/planetstack/openstack_observer/ansible.py
index 1cee3d9..e5ce780 100644
--- a/planetstack/openstack_observer/ansible.py
+++ b/planetstack/openstack_observer/ansible.py
@@ -67,7 +67,7 @@
     f.write(buffer)
     f.flush()
 
-    run = os.popen(XOS_DIR + "/observer/run_ansible %s'%shellquote(fqp))
+    run = os.popen(XOS_DIR + '/observer/run_ansible %s'%shellquote(fqp))
     #run = os.popen('ansible-playbook -v %s'%shellquote(fqp))
     msg = run.read()
     status = run.close()