diff --git a/roles/common/molecule/default/group_vars/parameters-optional.yml b/roles/common/molecule/default/group_vars/parameters-optional.yml
index 67e22d6015ac7970b745fdad9249a0cff9a60f43..d767084c52aad981ed6d21ecf85ef9e0853af68b 100644
--- a/roles/common/molecule/default/group_vars/parameters-optional.yml
+++ b/roles/common/molecule/default/group_vars/parameters-optional.yml
@@ -46,7 +46,7 @@ prompt_colour: cyan
 prompt_id: test
 # Purposefully set this to 3 servers to make sure we are
 # overriding the default configuration.
-ntp_servers:
+ntp_pools:
   - "0.debian.pool.ntp.org"
   - "1.debian.pool.ntp.org"
   - "2.debian.pool.ntp.org"