diff --git a/app/src/main/assets/po_token.html b/app/src/main/assets/po_token.html
index 572c3016e..3b9b18100 100644
--- a/app/src/main/assets/po_token.html
+++ b/app/src/main/assets/po_token.html
@@ -177,7 +177,7 @@ async function runBotGuard(rawChallengeData) {
 
   const botguard = await BotGuardClient.create({
     globalName: challengeData.globalName,
-    globalObj: globalThis,
+    globalObj: this,
     program: challengeData.program
   });
 
diff --git a/app/src/main/java/org/schabi/newpipe/util/potoken/PoTokenWebView.kt b/app/src/main/java/org/schabi/newpipe/util/potoken/PoTokenWebView.kt
index 2589e12c3..76d2d9614 100644
--- a/app/src/main/java/org/schabi/newpipe/util/potoken/PoTokenWebView.kt
+++ b/app/src/main/java/org/schabi/newpipe/util/potoken/PoTokenWebView.kt
@@ -98,7 +98,7 @@ class PoTokenWebView private constructor(
                     try {
                         data = JSON.parse(String.raw`$responseBody`)
                         result = await runBotGuard(data)
-                        globalThis.webPoSignalOutput = result.webPoSignalOutput
+                        this.webPoSignalOutput = result.webPoSignalOutput
                         $JS_INTERFACE.onRunBotguardResult(result.botguardResponse)
                     } catch (error) {
                         $JS_INTERFACE.onJsInitializationError(error.toString())
@@ -139,7 +139,7 @@ class PoTokenWebView private constructor(
             webView.evaluateJavascript(
                 """(async function() {
                     try {
-                        globalThis.integrityToken = JSON.parse(String.raw`$responseBody`)
+                        this.integrityToken = JSON.parse(String.raw`$responseBody`)
                         $JS_INTERFACE.onInitializationFinished(integrityToken[1])
                     } catch (error) {
                         $JS_INTERFACE.onJsInitializationError(error.toString())