diff --git a/Source/WTF/wtf/text/qt/StringQt.cpp b/Source/WTF/wtf/text/qt/StringQt.cpp
index a187b56c6a102..d224905fce119 100644
--- a/Source/WTF/wtf/text/qt/StringQt.cpp
+++ b/Source/WTF/wtf/text/qt/StringQt.cpp
@@ -51,7 +51,7 @@ String::String(QLatin1StringView view)
 {
     if (view.isNull())
         return;
-    m_impl = StringImpl::create(reinterpret_cast_ptr<const LChar*>(view.data()), view.length());
+    m_impl = StringImpl::create(reinterpret_cast_ptr<const LChar*>(view.data()), view.size());
 }
 
 String::String(QStringView view)