diff --git a/src/corelib/tools/qstringbuilder.cpp b/src/corelib/tools/qstringbuilder.cpp
index 2fe556096b..2aeb891d23 100644
--- a/src/corelib/tools/qstringbuilder.cpp
+++ b/src/corelib/tools/qstringbuilder.cpp
@@ -100,6 +100,10 @@ QT_BEGIN_NAMESPACE
   returned byte array is undefined if the string contains non-Latin1
   characters.
  */
+/* \fn QByteArray QStringBuilder::toUtf8() const
+  Returns a UTF-8 representation of the string as a QByteArray.
+ */
+
 
 /*! \internal
  */
diff --git a/src/corelib/tools/qstringbuilder.h b/src/corelib/tools/qstringbuilder.h
index 6b258eb09a..461430ab9a 100644
--- a/src/corelib/tools/qstringbuilder.h
+++ b/src/corelib/tools/qstringbuilder.h
@@ -97,6 +97,7 @@ template<typename Builder>
 struct QStringBuilderBase<Builder, QString> : public QStringBuilderCommon<Builder, QString>
 {
     QByteArray toLatin1() const { return this->resolved().toLatin1(); }
+    QByteArray toUtf8() const { return this->resolved().toUtf8(); }
     QByteArray toLocal8Bit() const { return this->resolved().toLocal8Bit(); }
 };