diff --git a/Userland/Libraries/LibWeb/CSS/Parser/ParsingContext.cpp b/Userland/Libraries/LibWeb/CSS/Parser/ParsingContext.cpp
index e3e6f897df4..0448abdb4c3 100644
--- a/Userland/Libraries/LibWeb/CSS/Parser/ParsingContext.cpp
+++ b/Userland/Libraries/LibWeb/CSS/Parser/ParsingContext.cpp
@@ -19,6 +19,13 @@ ParsingContext::ParsingContext(JS::Realm& realm, Mode mode)
 {
 }
 
+ParsingContext::ParsingContext(JS::Realm& realm, URL::URL url, Mode mode)
+    : m_realm(realm)
+    , m_url(move(url))
+    , m_mode(mode)
+{
+}
+
 ParsingContext::ParsingContext(DOM::Document const& document, URL::URL url, Mode mode)
     : m_realm(const_cast<JS::Realm&>(document.realm()))
     , m_document(&document)
diff --git a/Userland/Libraries/LibWeb/CSS/Parser/ParsingContext.h b/Userland/Libraries/LibWeb/CSS/Parser/ParsingContext.h
index becc800257f..d2c6b90c1b6 100644
--- a/Userland/Libraries/LibWeb/CSS/Parser/ParsingContext.h
+++ b/Userland/Libraries/LibWeb/CSS/Parser/ParsingContext.h
@@ -20,6 +20,7 @@ public:
     };
 
     explicit ParsingContext(JS::Realm&, Mode = Mode::Normal);
+    explicit ParsingContext(JS::Realm&, URL::URL, Mode = Mode::Normal);
     explicit ParsingContext(DOM::Document const&, Mode = Mode::Normal);
     explicit ParsingContext(DOM::Document const&, URL::URL, Mode = Mode::Normal);
     explicit ParsingContext(DOM::ParentNode&, Mode = Mode::Normal);