diff --git a/Ladybird/WebContentView.cpp b/Ladybird/WebContentView.cpp
index a1a34c0251..59be8b6737 100644
--- a/Ladybird/WebContentView.cpp
+++ b/Ladybird/WebContentView.cpp
@@ -60,7 +60,8 @@ WebContentView::WebContentView(StringView webdriver_content_ipc_path)
 
     setFocusPolicy(Qt::FocusPolicy::StrongFocus);
 
-    m_inverse_pixel_scaling_ratio = 1.0 / devicePixelRatio();
+    m_device_pixel_ratio = devicePixelRatio();
+    m_inverse_pixel_scaling_ratio = 1.0 / m_device_pixel_ratio;
 
     verticalScrollBar()->setSingleStep(24);
     horizontalScrollBar()->setSingleStep(24);
@@ -672,6 +673,7 @@ void WebContentView::create_client()
         });
     };
 
+    client().async_set_device_pixels_per_css_pixel(m_device_pixel_ratio);
     client().async_update_system_theme(MUST(Gfx::load_system_theme(DeprecatedString::formatted("{}/res/themes/Default.ini", s_serenity_resource_root))));
     client().async_update_system_fonts(Gfx::FontDatabase::default_font_query(), Gfx::FontDatabase::fixed_width_font_query(), Gfx::FontDatabase::window_title_font_query());
 
diff --git a/Ladybird/WebContentView.h b/Ladybird/WebContentView.h
index a4f1cc5c12..85021cda87 100644
--- a/Ladybird/WebContentView.h
+++ b/Ladybird/WebContentView.h
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
+ * Copyright (c) 2023, Linus Groh <linusg@serenityos.org>
  *
  * SPDX-License-Identifier: BSD-2-Clause
  */
@@ -196,6 +197,7 @@ private:
     void close_sub_widgets();
     ErrorOr<Ladybird::DOMNodeProperties> inspect_dom_node(i32 node_id, Optional<Web::CSS::Selector::PseudoElement> pseudo_element);
 
+    float m_device_pixel_ratio { 1.0 };
     qreal m_inverse_pixel_scaling_ratio { 1.0 };
     bool m_should_show_line_box_borders { false };