diff --git a/playbooks/include/proxies-websites.yml b/playbooks/include/proxies-websites.yml
index ac526ac0b6..f3f34ef003 100644
--- a/playbooks/include/proxies-websites.yml
+++ b/playbooks/include/proxies-websites.yml
@@ -751,7 +751,7 @@
   - role: httpd/website
     name: fedorahosted.org
     sslonly: true
-    server_aliases: bzr.fedorahosted.org hg.fedorahosted.org svn.fedorahosted.org 
+    server_aliases: [bzr.fedorahosted.org hg.fedorahosted.org svn.fedorahosted.org]
     SSLCertificateChainFile: wildcard-2017.fedorahosted.org.intermediate.cert
     cert_name: wildcard-2017.fedorahosted.org