diff --git a/lib/configuration.js b/lib/configuration.js
index 9bfccbffa5e15e13569d1dc897d51e498d915e74..0e0d3c287d150cf1f89f19a28f667d115fed832c 100644
--- a/lib/configuration.js
+++ b/lib/configuration.js
@@ -91,6 +91,7 @@ var conf = module.exports = convict({
       format: 'string?',
       env: 'MYSQL_PASSWORD'
     },
+    host: 'string?',
     create_schema: 'boolean = true',
     may_write: 'boolean = true',
     name: {