diff --git a/common/modules/mixly-modules/common/app.js b/common/modules/mixly-modules/common/app.js
index b4cfd2df..23f306f5 100644
--- a/common/modules/mixly-modules/common/app.js
+++ b/common/modules/mixly-modules/common/app.js
@@ -661,7 +661,7 @@ class App extends Component {
         if (goog.isElectron) {
             Loader.onbeforeunload();
         } else {
-            let href = Env.srcDirPath + '/index.html?' + Url.jsonToUrl({ boardType: BOARD.boardType });
+            let href = path.join(Env.srcDirPath, 'index.html') + '?' + Url.jsonToUrl({ boardType: BOARD.boardType });
             window.location.replace(href);
         }
     }
diff --git a/common/modules/mixly-modules/deps.json b/common/modules/mixly-modules/deps.json
index 32f22a38..9b187ec7 100644
--- a/common/modules/mixly-modules/deps.json
+++ b/common/modules/mixly-modules/deps.json
@@ -1441,6 +1441,7 @@
     {
         "path": "/electron/loader.js",
         "require": [
+            "path",
             "Mixly.Url",
             "Mixly.Config",
             "Mixly.Env",
diff --git a/common/modules/mixly-modules/electron/loader.js b/common/modules/mixly-modules/electron/loader.js
index afb1e557..47d07be9 100644
--- a/common/modules/mixly-modules/electron/loader.js
+++ b/common/modules/mixly-modules/electron/loader.js
@@ -1,5 +1,6 @@
 goog.loadJs('electron', () => {
 
+goog.require('path');
 goog.require('Mixly.Url');
 goog.require('Mixly.Config');
 goog.require('Mixly.Env');
@@ -32,7 +33,7 @@ Loader.onbeforeunload = function(reload = false) {
             window.location.reload(true);
         }
     }
-    let href = Env.srcDirPath + '/index.html?' + Url.jsonToUrl({ boardType: BOARD.boardType ?? 'None' });
+    let href = path.join(Env.srcDirPath, 'index.html') + '?' + Url.jsonToUrl({ boardType: BOARD.boardType ?? 'None' });
     let endPromise = [];
     const { mainStatusBarTabs } = Mixly;
     Serial.getCurrentPortsName().map((name) => {