diff --git a/priv/sys.config b/priv/sys.config
--- a/priv/sys.config
+++ b/priv/sys.config
@@ -33,7 +33,9 @@
                             },
                             {
                                 tls_config, [
-                                    { certfile, "/etc/pki/tls/private/localhost.pem" }
+                                    { certfile, "/etc/pki/tls/private/localhost.pem" },
+                                    { cacertfile, "/etc/pki/tls/private/localhost.ca.pem" },
+                                    { keyfile, "/etc/pki/tls/private/localhost.key" }
                                 ]
                             }
                         ]
@@ -50,7 +52,9 @@
                             },
                             {
                                 tls_config, [
-                                    { certfile, "/etc/pki/tls/private/localhost.pem" }
+                                    { certfile, "/etc/pki/tls/private/localhost.pem" },
+                                    { cacertfile, "/etc/pki/tls/private/localhost.ca.pem" },
+                                    { keyfile, "/etc/pki/tls/private/localhost.key" }
                                 ]
                             }
                         ]