diff --git a/browser_patches/firefox-beta/BUILD_NUMBER b/browser_patches/firefox-beta/BUILD_NUMBER
index 59dad47440..3bd255f39d 100644
--- a/browser_patches/firefox-beta/BUILD_NUMBER
+++ b/browser_patches/firefox-beta/BUILD_NUMBER
@@ -1,2 +1,2 @@
-1300
-Changed: yurys@chromium.org Wed Oct 27 17:58:07 PDT 2021
+1301
+Changed: max@schmitt.mx Mon  1 Nov 2021 16:28:05 CET
diff --git a/browser_patches/firefox-beta/juggler/TargetRegistry.js b/browser_patches/firefox-beta/juggler/TargetRegistry.js
index a0b470c71d..a12d9f96b3 100644
--- a/browser_patches/firefox-beta/juggler/TargetRegistry.js
+++ b/browser_patches/firefox-beta/juggler/TargetRegistry.js
@@ -38,7 +38,7 @@ class DownloadInterceptor {
     if (!(request instanceof Ci.nsIChannel))
       return false;
     const channel = request.QueryInterface(Ci.nsIChannel);
-    let pageTarget = this._registry._browserBrowsingContextToTarget.get(channel.loadInfo.browsingContext);
+    let pageTarget = this._registry._browserBrowsingContextToTarget.get(channel.loadInfo.browsingContext.top);
     if (!pageTarget)
       return false;
 
diff --git a/browser_patches/firefox/BUILD_NUMBER b/browser_patches/firefox/BUILD_NUMBER
index 6b399055af..0f0bd7f455 100644
--- a/browser_patches/firefox/BUILD_NUMBER
+++ b/browser_patches/firefox/BUILD_NUMBER
@@ -1,2 +1,2 @@
-1298
-Changed: yurys@chromium.org Wed Oct 27 17:58:07 PDT 2021
+1299
+Changed: max@schmitt.mx Mon  1 Nov 2021 16:28:05 CET
diff --git a/browser_patches/firefox/juggler/TargetRegistry.js b/browser_patches/firefox/juggler/TargetRegistry.js
index a0b470c71d..a12d9f96b3 100644
--- a/browser_patches/firefox/juggler/TargetRegistry.js
+++ b/browser_patches/firefox/juggler/TargetRegistry.js
@@ -38,7 +38,7 @@ class DownloadInterceptor {
     if (!(request instanceof Ci.nsIChannel))
       return false;
     const channel = request.QueryInterface(Ci.nsIChannel);
-    let pageTarget = this._registry._browserBrowsingContextToTarget.get(channel.loadInfo.browsingContext);
+    let pageTarget = this._registry._browserBrowsingContextToTarget.get(channel.loadInfo.browsingContext.top);
     if (!pageTarget)
       return false;