diff --git a/lib/options.js b/lib/options.js
index 7cb4250155..dce96bcb40 100644
--- a/lib/options.js
+++ b/lib/options.js
@@ -8,7 +8,7 @@ const THIRTY_DAYS = 30 * 24 * 60 * 60 * 1000;
 const DEFAULT_OPTIONS = {
     databaseUrl: process.env.DATABASE_URL,
     port: process.env.HTTP_PORT || process.env.PORT || 4242,
-    host: undefined,
+    host: process.env.HTTP_HOST,
     baseUriPath: process.env.BASE_URI_PATH || '',
     serverMetrics: true,
     enableLegacyRoutes: true,