diff --git a/src/corelib/serialization/qxmlstream.cpp b/src/corelib/serialization/qxmlstream.cpp
index 28e927d7da..adc87b30a7 100644
--- a/src/corelib/serialization/qxmlstream.cpp
+++ b/src/corelib/serialization/qxmlstream.cpp
@@ -480,7 +480,7 @@ QIODevice *QXmlStreamReader::device() const
 void QXmlStreamReader::addData(QAnyStringView data)
 {
     Q_D(QXmlStreamReader);
-    data.visit([=](auto data) {
+    data.visit([this, d](auto data) {
         if constexpr (std::is_same_v<decltype(data), QStringView>) {
             d->lockEncoding = true;
             if (!d->decoder.isValid())