diff --git a/src/gui/painting/qpdfwriter.cpp b/src/gui/painting/qpdfwriter.cpp
index be4b73aa640..c5b3226cf30 100644
--- a/src/gui/painting/qpdfwriter.cpp
+++ b/src/gui/painting/qpdfwriter.cpp
@@ -205,7 +205,7 @@ QUuid QPdfWriter::documentId() const
   \since 6.8
   Sets the ID of the document to \a documentId.
   */
-void QPdfWriter::setDocumentId(const QUuid &documentId)
+void QPdfWriter::setDocumentId(QUuid documentId)
 {
     Q_D(QPdfWriter);
     d->engine->d_func()->documentId = documentId;
diff --git a/src/gui/painting/qpdfwriter.h b/src/gui/painting/qpdfwriter.h
index 2938f5c1cf0..042344ff5d7 100644
--- a/src/gui/painting/qpdfwriter.h
+++ b/src/gui/painting/qpdfwriter.h
@@ -37,7 +37,7 @@ public:
     void setCreator(const QString &creator);
 
     QUuid documentId() const;
-    void setDocumentId(const QUuid &documentId);
+    void setDocumentId(QUuid documentId);
 
     bool newPage() override;