diff --git a/lib/renderer/window-setup.ts b/lib/renderer/window-setup.ts
index fc9373c3d6e5..49b6a8ba5999 100644
--- a/lib/renderer/window-setup.ts
+++ b/lib/renderer/window-setup.ts
@@ -64,12 +64,12 @@ class LocationProxy {
    */
   private static ProxyProperty<T> (target: LocationProxy, propertyKey: LocationProperties) {
     Object.defineProperty(target, propertyKey, {
-      get: function (): T | string {
+      get: function (this: LocationProxy): T | string {
         const guestURL = this.getGuestURL()
         const value = guestURL ? guestURL[propertyKey] : ''
         return value === undefined ? '' : value
       },
-      set: function (newVal: T) {
+      set: function (this: LocationProxy, newVal: T) {
         const guestURL = this.getGuestURL()
         if (guestURL) {
           // TypeScript doesn't want us to assign to read-only variables.
@@ -105,6 +105,10 @@ class LocationProxy {
     return null
   }
 
+  private _invokeWebContentsMethod (method: string, ...args: any[]) {
+    return ipcRendererUtils.invoke('ELECTRON_GUEST_WINDOW_MANAGER_WEB_CONTENTS_METHOD', this.guestId, method, ...args)
+  }
+
   private _invokeWebContentsMethodSync (method: string, ...args: any[]) {
     return ipcRendererUtils.invokeSync('ELECTRON_GUEST_WINDOW_MANAGER_WEB_CONTENTS_METHOD', this.guestId, method, ...args)
   }
diff --git a/spec/chromium-spec.js b/spec/chromium-spec.js
index cc3ac3ba90aa..71b9987c057b 100644
--- a/spec/chromium-spec.js
+++ b/spec/chromium-spec.js
@@ -508,6 +508,22 @@ describe('chromium feature', () => {
       b = window.open('about:blank')
     })
 
+    it('defines a window.location.href setter', (done) => {
+      let b = null
+      app.once('browser-window-created', (event, { webContents }) => {
+        webContents.once('did-finish-load', () => {
+          // When it loads, redirect
+          b.location.href = `file://${fixtures}/pages/base-page.html`
+          webContents.once('did-finish-load', () => {
+            // After our second redirect, cleanup and callback
+            b.close()
+            done()
+          })
+        })
+      })
+      b = window.open('about:blank')
+    })
+
     it('open a blank page when no URL is specified', async () => {
       const browserWindowCreated = emittedOnce(app, 'browser-window-created')
       const w = window.open()