diff --git a/Tests/LibWeb/Ref/calc-border-radius.html b/Tests/LibWeb/Ref/calc-border-radius.html
new file mode 100644
index 0000000000..8f38cf113b
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+++ b/Tests/LibWeb/Ref/calc-border-radius.html
@@ -0,0 +1,20 @@
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diff --git a/Tests/LibWeb/Ref/reference/calc-border-radius-ref.html b/Tests/LibWeb/Ref/reference/calc-border-radius-ref.html
new file mode 100644
index 0000000000..cb71206cb1
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+++ b/Tests/LibWeb/Ref/reference/calc-border-radius-ref.html
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diff --git a/Userland/Libraries/LibWeb/CSS/StyleValues/BorderRadiusStyleValue.cpp b/Userland/Libraries/LibWeb/CSS/StyleValues/BorderRadiusStyleValue.cpp
index 624efa670d..bc17c6a549 100644
--- a/Userland/Libraries/LibWeb/CSS/StyleValues/BorderRadiusStyleValue.cpp
+++ b/Userland/Libraries/LibWeb/CSS/StyleValues/BorderRadiusStyleValue.cpp
@@ -24,9 +24,9 @@ ValueComparingNonnullRefPtr BorderRadiusStyleValue::absolutize
return *this;
auto absolutized_horizontal_radius = m_properties.horizontal_radius;
auto absolutized_vertical_radius = m_properties.vertical_radius;
- if (!m_properties.horizontal_radius.is_percentage())
+ if (m_properties.horizontal_radius.is_length())
absolutized_horizontal_radius = m_properties.horizontal_radius.length().absolutized(viewport_rect, font_metrics, root_font_metrics);
- if (!m_properties.vertical_radius.is_percentage())
+ if (m_properties.vertical_radius.is_length())
absolutized_vertical_radius = m_properties.vertical_radius.length().absolutized(viewport_rect, font_metrics, root_font_metrics);
return BorderRadiusStyleValue::create(absolutized_horizontal_radius, absolutized_vertical_radius);
}