From 66dfdb933d39638e846e81b2f7f87a7a689db832 Mon Sep 17 00:00:00 2001
From: LukeParkerDev <10430890+Hona@users.noreply.github.com>
Date: Fri, 17 Apr 2026 10:56:15 +1000
Subject: [PATCH] fix: pin desktop renderer dev server to loopback

---
 packages/desktop-electron/electron.vite.config.ts | 7 +++++++
 packages/desktop-electron/src/main/windows.ts     | 4 +++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/packages/desktop-electron/electron.vite.config.ts b/packages/desktop-electron/electron.vite.config.ts
index d0e6c42b6c..267d6c6539 100644
--- a/packages/desktop-electron/electron.vite.config.ts
+++ b/packages/desktop-electron/electron.vite.config.ts
@@ -60,6 +60,13 @@ export default defineConfig({
     plugins: [appPlugin],
     publicDir: "../../../app/public",
     root: "src/renderer",
+    server: {
+      host: "127.0.0.1",
+      strictPort: true,
+      hmr: {
+        host: "127.0.0.1",
+      },
+    },
     define: {
       "import.meta.env.VITE_OPENCODE_CHANNEL": JSON.stringify(channel),
     },
diff --git a/packages/desktop-electron/src/main/windows.ts b/packages/desktop-electron/src/main/windows.ts
index 95f80c1240..b5cdf6c4d8 100644
--- a/packages/desktop-electron/src/main/windows.ts
+++ b/packages/desktop-electron/src/main/windows.ts
@@ -134,7 +134,9 @@ export function createLoadingWindow(globals: Globals) {
 function loadWindow(win: BrowserWindow, html: string) {
   const devUrl = process.env.ELECTRON_RENDERER_URL
   if (devUrl) {
-    const url = new URL(html, devUrl)
+    const base = new URL(devUrl)
+    if (base.hostname === "localhost") base.hostname = "127.0.0.1"
+    const url = new URL(html, base)
     void win.loadURL(url.toString())
     return
   }