From 16b9bbc8abdc3e8f41d2b5f86d4ad66291265bec Mon Sep 17 00:00:00 2001
From: "Mr. M" <mr.m@tuta.com>
Date: Fri, 17 Apr 2026 00:53:21 +0200
Subject: [PATCH] no-bug: Make checks on new BC

---
 src/zen/boosts/nsZenBoostsBackend.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/zen/boosts/nsZenBoostsBackend.cpp b/src/zen/boosts/nsZenBoostsBackend.cpp
index d9899b180..e48828320 100644
--- a/src/zen/boosts/nsZenBoostsBackend.cpp
+++ b/src/zen/boosts/nsZenBoostsBackend.cpp
@@ -287,8 +287,13 @@ auto nsZenBoostsBackend::onPresShellEntered(mozilla::dom::Document* aDocument)
   // Note that aDocument can be null when entering anonymous content frames.
   // We explicitly do this to prevent applying boosts to anonymous content, such
   // as devtools or screenshots.
+  mozilla::dom::BrowsingContext* browsingContext =
   mCurrentBrowsingContext =
       aDocument ? aDocument->GetBrowsingContext() : nullptr;
+  if (!browsingContext) {
+    return;
+  }
+  mCurrentBrowsingContext = browsingContext;
 }
 
 [[nodiscard]] ZEN_HOT_FUNCTION auto