diff --git a/server.ts b/server.ts
index 1aee5dc657..9713e5ffdb 100644
--- a/server.ts
+++ b/server.ts
@@ -560,7 +560,7 @@ function createHttpsServer(keys) {
  */
 function run() {
   const port = environment.ui.port || 4000;
-  const host = environment.ui.host || '/';
+  const host = environment.ui.host;
 
   // Start up the Node server
   const server = app();