diff --git a/build/patches/Multiple-fingerprinting-mitigations.patch b/build/patches/Multiple-fingerprinting-mitigations.patch
index 098f61f1..5e4c1dee 100644
--- a/build/patches/Multiple-fingerprinting-mitigations.patch
+++ b/build/patches/Multiple-fingerprinting-mitigations.patch
@@ -42,7 +42,7 @@ License: GPL-3.0-only - https://spdx.org/licenses/GPL-3.0-only.html
  .../renderer/core/html/canvas/text_metrics.h  |   2 +
  .../renderer/core/svg/svg_graphics_element.cc |   2 +
  .../core/svg/svg_text_content_element.cc      |  28 +++-
- .../canvas2d/base_rendering_context_2d.cc     |  12 +-
+ .../canvas2d/base_rendering_context_2d.cc     |  24 ++-
  third_party/blink/renderer/platform/BUILD.gn  |   5 +-
  .../platform/exported/web_runtime_features.cc |  12 ++
  .../platform/graphics/image_data_buffer.cc    |   7 +
@@ -52,7 +52,7 @@ License: GPL-3.0-only - https://spdx.org/licenses/GPL-3.0-only.html
  third_party/ungoogled/BUILD.gn                |  10 ++
  third_party/ungoogled/ungoogled_switches.cc   |  18 ++
  third_party/ungoogled/ungoogled_switches.h    |  18 ++
- 26 files changed, 376 insertions(+), 8 deletions(-)
+ 26 files changed, 388 insertions(+), 8 deletions(-)
  create mode 100644 third_party/ungoogled/BUILD.gn
  create mode 100644 third_party/ungoogled/ungoogled_switches.cc
  create mode 100644 third_party/ungoogled/ungoogled_switches.h
@@ -475,7 +475,17 @@ diff --git a/third_party/blink/renderer/modules/canvas/canvas2d/base_rendering_c
  #include "third_party/blink/renderer/platform/graphics/skia/skia_utils.h"
  #include "third_party/blink/renderer/platform/graphics/stroke_data.h"
  #include "third_party/blink/renderer/platform/graphics/video_frame_image_util.h"
-@@ -2188,6 +2189,10 @@ ImageData* BaseRenderingContext2D::getImageDataInternal(
+@@ -53,6 +54,9 @@
+ #include "ui/gfx/geometry/quad_f.h"
+ #include "ui/gfx/geometry/skia_conversions.h"
+ 
++#include "third_party/blink/renderer/core/offscreencanvas/offscreen_canvas.h"
++#include "third_party/blink/renderer/core/frame/local_dom_window.h"
++
+ namespace blink {
+ 
+ BASE_FEATURE(kDisableCanvasOverdrawOptimization,
+@@ -2188,6 +2192,10 @@ ImageData* BaseRenderingContext2D::getImageDataInternal(
            snapshot->PaintImageForCurrentFrame().GetSkImageInfo().bounds();
        DCHECK(!bounds.intersect(SkIRect::MakeXYWH(sx, sy, sw, sh)));
      }
@@ -486,7 +496,7 @@ diff --git a/third_party/blink/renderer/modules/canvas/canvas2d/base_rendering_c
    }
  
    return image_data;
-@@ -2865,9 +2870,14 @@ TextMetrics* BaseRenderingContext2D::measureText(const String& text) {
+@@ -2865,9 +2873,23 @@ TextMetrics* BaseRenderingContext2D::measureText(const String& text) {
  
    TextDirection direction = ToTextDirection(GetState().GetDirection(), canvas);
  
@@ -496,7 +506,16 @@ diff --git a/third_party/blink/renderer/modules/canvas/canvas2d/base_rendering_c
                                             GetState().GetTextAlign(), text);
 +  // Scale text metrics if enabled
 +  if (RuntimeEnabledFeatures::FingerprintingCanvasMeasureTextNoiseEnabled()) {
-+    text_metrics->Shuffle(canvas->GetDocument().GetNoiseFactorX());
++    OffscreenCanvas* offscreen_canvas = HostAsOffscreenCanvas();
++    if (offscreen_canvas) {
++      ExecutionContext* execution_context = GetTopExecutionContext();
++      if (auto* window = DynamicTo<LocalDOMWindow>(execution_context)) {
++        Document* document = window->GetFrame()->GetDocument();
++        text_metrics->Shuffle(document->GetNoiseFactorX());
++      }
++    }
++    else
++      text_metrics->Shuffle(canvas->GetDocument().GetNoiseFactorX());
 +  }
 +  return text_metrics;
  }