diff --git a/files/fedora-cloud/packstack-controller-answers.txt b/files/fedora-cloud/packstack-controller-answers.txt
index 2fcad54a25..6fac2b6943 100644
--- a/files/fedora-cloud/packstack-controller-answers.txt
+++ b/files/fedora-cloud/packstack-controller-answers.txt
@@ -352,6 +352,10 @@ CONFIG_HORIZON_SSL=y
 # require a passphrase
 CONFIG_SSL_CERT=/etc/pki/tls/certs/fed-cloud09.pem
 
+# PEM encoded CA certificates from which the certificate chain of the
+# # server certificate can be assembled.
+CONFIG_SSL_CACHAIN=/etc/pki/tls/certs/fed-cloud09.pem
+
 # Keyfile corresponding to the certificate if one was entered
 CONFIG_SSL_KEY=/etc/pki/tls/private/fed-cloud09.key