diff --git a/Tests/LibWeb/Layout/expected/misc/percentage-stroke-width-crash.txt b/Tests/LibWeb/Layout/expected/misc/percentage-stroke-width-crash.txt
new file mode 100644
index 00000000000..01545057d49
--- /dev/null
+++ b/Tests/LibWeb/Layout/expected/misc/percentage-stroke-width-crash.txt
@@ -0,0 +1,3 @@
+Viewport <#document> at (0,0) content-size 800x600 children: not-inline
+ BlockContainer at (0,0) content-size 800x16 [BFC] children: not-inline
+ BlockContainer at (8,8) content-size 784x0 children: not-inline
diff --git a/Tests/LibWeb/Layout/input/misc/percentage-stroke-width-crash.html b/Tests/LibWeb/Layout/input/misc/percentage-stroke-width-crash.html
new file mode 100644
index 00000000000..b4c4112b141
--- /dev/null
+++ b/Tests/LibWeb/Layout/input/misc/percentage-stroke-width-crash.html
@@ -0,0 +1,3 @@
+
\ No newline at end of file
diff --git a/Userland/Libraries/LibWeb/Layout/Node.cpp b/Userland/Libraries/LibWeb/Layout/Node.cpp
index 0aa33516377..71e93dfcacf 100644
--- a/Userland/Libraries/LibWeb/Layout/Node.cpp
+++ b/Userland/Libraries/LibWeb/Layout/Node.cpp
@@ -10,6 +10,7 @@
#include
#include
#include
+#include
#include
#include
#include
@@ -665,8 +666,10 @@ void NodeWithStyle::apply_style(const CSS::StyleProperties& computed_style)
// https://svgwg.org/svg2-draft/coords.html#TermUserUnits
if (stroke_width->is_numeric())
computed_values.set_stroke_width(CSS::Length::make_px(stroke_width->to_number()));
- else
+ else if (stroke_width->is_length())
computed_values.set_stroke_width(stroke_width->to_length());
+ else if (stroke_width->is_percentage())
+ computed_values.set_stroke_width(CSS::LengthPercentage { stroke_width->as_percentage().percentage() });
computed_values.set_fill_opacity(computed_style.fill_opacity());
computed_values.set_stroke_opacity(computed_style.stroke_opacity());