diff --git a/xos/openstack_observer/ansible.py b/xos/openstack_observer/ansible.py
index 9858f63..cf6106a 100644
--- a/xos/openstack_observer/ansible.py
+++ b/xos/openstack_observer/ansible.py
@@ -76,7 +76,7 @@
 
     if (not Config().observer_pretend):
         if not run_ansible_script:
-            run_ansible_script = os.path.join(XOS_DIR, "/observer/run_ansible")
+            run_ansible_script = os.path.join(XOS_DIR, "observer/run_ansible")
 
         #run = os.popen(XOS_DIR + '/observer/run_ansible %s'%shellquote(fqp), env=env)
         run = subprocess.Popen("%s %s" % (run_ansible_script, shellquote(fqp)), shell=True, stdout=subprocess.PIPE, env=env).stdout