diff --git a/zaza/openstack/utilities/os_versions.py b/zaza/openstack/utilities/os_versions.py
index 86eb4e1..6e7968c 100644
--- a/zaza/openstack/utilities/os_versions.py
+++ b/zaza/openstack/utilities/os_versions.py
@@ -278,7 +278,7 @@ PACKAGE_CODENAMES = {
         ('15', 'ussuri'),    # octopus
         ('16', 'victoria'),  # pacific
         ('17', 'yoga'),      # quincy
-        ('18', 'zed'),       # reef
+        ('18', 'bobcat'),    # reef
     ]),
     'placement-common': OrderedDict([
         ('2', 'train'),