diff --git a/Libraries/LibWeb/Painting/DisplayListRecorder.cpp b/Libraries/LibWeb/Painting/DisplayListRecorder.cpp
index 457588bb366..9f197028fdd 100644
--- a/Libraries/LibWeb/Painting/DisplayListRecorder.cpp
+++ b/Libraries/LibWeb/Painting/DisplayListRecorder.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2023-2024, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
+ * Copyright (c) 2023-2025, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
  *
  * SPDX-License-Identifier: BSD-2-Clause
  */
@@ -275,16 +275,19 @@ void DisplayListRecorder::translate(Gfx::IntPoint delta)
 
 void DisplayListRecorder::save()
 {
+    ++m_save_nesting_level;
     append(Save {});
 }
 
 void DisplayListRecorder::save_layer()
 {
+    ++m_save_nesting_level;
     append(SaveLayer {});
 }
 
 void DisplayListRecorder::restore()
 {
+    --m_save_nesting_level;
     append(Restore {});
 }
 
@@ -419,6 +422,8 @@ void DisplayListRecorder::apply_opacity(float opacity)
 
 void DisplayListRecorder::apply_compositing_and_blending_operator(Gfx::CompositingAndBlendingOperator compositing_and_blending_operator)
 {
+    // Implementation of this item does saveLayer(), so we need to increment the nesting level.
+    m_save_nesting_level++;
     append(ApplyCompositeAndBlendingOperator { .compositing_and_blending_operator = compositing_and_blending_operator });
 }
 
diff --git a/Libraries/LibWeb/Painting/DisplayListRecorder.h b/Libraries/LibWeb/Painting/DisplayListRecorder.h
index 9a68a22c321..c74b276ece1 100644
--- a/Libraries/LibWeb/Painting/DisplayListRecorder.h
+++ b/Libraries/LibWeb/Painting/DisplayListRecorder.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2023-2024, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
+ * Copyright (c) 2023-2025, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
  *
  * SPDX-License-Identifier: BSD-2-Clause
  */
@@ -161,6 +161,8 @@ public:
 
     void append(Command&& command);
 
+    int m_save_nesting_level { 0 };
+
 private:
     Vector<Optional<i32>> m_scroll_frame_id_stack;
     DisplayList& m_command_list;
diff --git a/Libraries/LibWeb/Painting/StackingContext.cpp b/Libraries/LibWeb/Painting/StackingContext.cpp
index 199f1149915..60db19762b5 100644
--- a/Libraries/LibWeb/Painting/StackingContext.cpp
+++ b/Libraries/LibWeb/Painting/StackingContext.cpp
@@ -1,13 +1,14 @@
 /*
  * Copyright (c) 2020-2022, Andreas Kling <andreas@ladybird.org>
  * Copyright (c) 2022, Sam Atkins <atkinssj@serenityos.org>
- * Copyright (c) 2024, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
+ * Copyright (c) 2024-2025, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
  * Copyright (c) 2025, Jelle Raaijmakers <jelle@ladybird.org>
  *
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
 #include <AK/QuickSort.h>
+#include <AK/TemporaryChange.h>
 #include <LibGfx/AffineTransform.h>
 #include <LibGfx/Matrix4x4.h>
 #include <LibGfx/Rect.h>
@@ -24,9 +25,13 @@ namespace Web::Painting {
 
 static void paint_node(Paintable const& paintable, PaintContext& context, PaintPhase phase)
 {
+    TemporaryChange save_nesting_level(context.display_list_recorder().m_save_nesting_level, 0);
+
     paintable.before_paint(context, phase);
     paintable.paint(context, phase);
     paintable.after_paint(context, phase);
+
+    VERIFY(context.display_list_recorder().m_save_nesting_level == 0);
 }
 
 StackingContext::StackingContext(PaintableBox& paintable, StackingContext* parent, size_t index_in_tree_order)