diff --git a/src/default.conf b/src/default.conf
index 2442d14..4f13639 100644
--- a/src/default.conf
+++ b/src/default.conf
@@ -11,6 +11,9 @@ resolver 127.0.0.11 valid=60 ipv6=off;
 init_by_lua_block {
     auto_ssl = (require "resty.auto-ssl").new()
     auto_ssl:set("storage_adapter", "resty.auto-ssl.storage_adapters.redis")
+    auto_ssl:set("redis", {
+      host = "redis"
+    })
     auto_ssl:set("allow_domain", function(domain)
         return domain == os.getenv("JASIMA_PROXY_HOST")
     end)