diff --git a/tracker/tracker/src/main/app/sanitizer.ts b/tracker/tracker/src/main/app/sanitizer.ts
index b72dae7d8..1d037a51b 100644
--- a/tracker/tracker/src/main/app/sanitizer.ts
+++ b/tracker/tracker/src/main/app/sanitizer.ts
@@ -41,7 +41,7 @@ export interface Options {
 export const stringWiper = (input: string) =>
   input
     .trim()
-    .replace(/[^\f\n\r\t\v\u00a0\u1680\u2000-\u200a\u2028\u2029\u202f\u205f\u3000\ufeff]/g, '*')
+    .replace(/[^\f\n\r\t\v\u00a0\u1680\u2000-\u200a\u2028\u2029\u202f\u205f\u3000\ufeff\s]/g, '*')
 
 export default class Sanitizer {
   private readonly obscured: Set<number> = new Set()
diff --git a/tracker/tracker/src/main/modules/viewport.ts b/tracker/tracker/src/main/modules/viewport.ts
index a17332855..b43306aa1 100644
--- a/tracker/tracker/src/main/modules/viewport.ts
+++ b/tracker/tracker/src/main/modules/viewport.ts
@@ -1,6 +1,7 @@
 import type App from '../app/index.js'
 import { getTimeOrigin } from '../utils.js'
 import { SetPageLocation, SetViewportSize, SetPageVisibility } from '../app/messages.gen.js'
+import { stringWiper } from '../app/sanitizer.js'
 
 export default function (app: App): void {
   let url: string | null, width: number, height: number
@@ -11,7 +12,10 @@ export default function (app: App): void {
     const { URL } = document
     if (URL !== url) {
       url = URL
-      app.send(SetPageLocation(url, referrer, navigationStart, document.title))
+      const safeTitle = app.sanitizer.privateMode ? stringWiper(document.title) : document.title
+      const safeUrl = app.sanitizer.privateMode ? stringWiper(url) : url
+      const safeReferrer = app.sanitizer.privateMode ? stringWiper(referrer) : referrer
+      app.send(SetPageLocation(safeUrl, safeReferrer, navigationStart, safeTitle))
       navigationStart = 0
       referrer = url
     }