diff --git a/playbooks/groups/noc.yml b/playbooks/groups/noc.yml
index ba0a55ae8d..d39e55981d 100644
--- a/playbooks/groups/noc.yml
+++ b/playbooks/groups/noc.yml
@@ -66,6 +66,6 @@
   roles:
   - { role: dhcp_server, when: datacenter == 'phx2' }
   - { role: tftp_server, when: datacenter == 'phx2' }
-  - { role: nagios_server, nagios_srcdir: "nagios", when: datacenter == 'phx2' }
-  - { role: nagios_server, nagios_srcdir: "nagios-external", when: datacenter != 'phx2' }
+  - { role: nagios_server, nagios_srcdir: 'nagios', when: datacenter == 'phx2' }
+  - { role: nagios_server, nagios_srcdir: 'nagios-external', when: datacenter != 'phx2' }
   - fedmsg/base