diff --git a/Userland/Libraries/LibWeb/CSS/ResolvedCSSStyleDeclaration.cpp b/Userland/Libraries/LibWeb/CSS/ResolvedCSSStyleDeclaration.cpp
index 56df223a78..ce6236644a 100644
--- a/Userland/Libraries/LibWeb/CSS/ResolvedCSSStyleDeclaration.cpp
+++ b/Userland/Libraries/LibWeb/CSS/ResolvedCSSStyleDeclaration.cpp
@@ -230,6 +230,8 @@ static NonnullRefPtr<StyleValue const> style_value_for_size(Size const& size)
     if (size.is_max_content())
         return IdentifierStyleValue::create(ValueID::MaxContent);
     // FIXME: Support fit-content(<length>)
+    if (size.is_fit_content())
+        return IdentifierStyleValue::create(ValueID::FitContent);
     TODO();
 }