diff --git a/galera/server/database/keystone.yml b/galera/server/database/keystone.yml
index fc2c5eb..d6483cd 100644
--- a/galera/server/database/keystone.yml
+++ b/galera/server/database/keystone.yml
@@ -1,4 +1,6 @@
 parameters:
+  _param:
+    mysql_keystone_ssl_option: []
   mysql:
     server:
       database:
@@ -9,7 +11,9 @@
             password: ${_param:mysql_keystone_password}
             host: '%'
             rights: all
+            ssl_option: ${_param:mysql_keystone_ssl_option}
           - name: keystone
             password: ${_param:mysql_keystone_password}
             host: ${_param:cluster_local_address}
             rights: all
+            ssl_option: ${_param:mysql_keystone_ssl_option}