diff --git a/lib/core/renderer.js b/lib/core/renderer.js
index 4e70a4af5b..a4d0987b8d 100644
--- a/lib/core/renderer.js
+++ b/lib/core/renderer.js
@@ -223,7 +223,7 @@ export default class Renderer {
 
     // open in editor for debug mode only
     const _this = this
-    if (this.options.debug) {
+    if (this.options.debug && this.options.dev) {
       this.useMiddleware({
         path: '_open',
         handler(req, res) {