diff --git a/Tests/LibWeb/Text/expected/window-scroll-while-parsing.txt b/Tests/LibWeb/Text/expected/window-scroll-while-parsing.txt
new file mode 100644
index 0000000000..d62176687c
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/window-scroll-while-parsing.txt
@@ -0,0 +1 @@
+PASS (didn't crash)
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/input/window-scroll-while-parsing.html b/Tests/LibWeb/Text/input/window-scroll-while-parsing.html
new file mode 100644
index 0000000000..208ca888f6
--- /dev/null
+++ b/Tests/LibWeb/Text/input/window-scroll-while-parsing.html
@@ -0,0 +1,5 @@
+PASS (didn't crash)
diff --git a/Userland/Libraries/LibWeb/HTML/Window.cpp b/Userland/Libraries/LibWeb/HTML/Window.cpp
index 8f49b15a4e..e3d792300a 100644
--- a/Userland/Libraries/LibWeb/HTML/Window.cpp
+++ b/Userland/Libraries/LibWeb/HTML/Window.cpp
@@ -1273,6 +1273,12 @@ void Window::scroll(ScrollToOptions const& options)
auto viewport_height = viewport_rect.height();
auto const document = top_level_traversable->active_document();
+ VERIFY(document);
+
+ // Make sure layout is up-to-date before looking at scrollable overflow metrics.
+ document->update_layout();
+
+ VERIFY(document->paintable_box());
auto scrolling_area = document->paintable_box()->scrollable_overflow_rect()->to_type();
// 7. FIXME: For now we always assume overflow direction is rightward