diff --git a/3rdparty/zint-2.10.0/backend_qt/qzint.h b/3rdparty/zint-2.10.0/backend_qt/qzint.h
index b63262c..9c8da28 100644
--- a/3rdparty/zint-2.10.0/backend_qt/qzint.h
+++ b/3rdparty/zint-2.10.0/backend_qt/qzint.h
@@ -20,6 +20,7 @@
 #define BARCODERENDER_H
 #include <QColor>
 #include <QPainter>
+#include <QObject>
 
 #include "qzint_global.h"
 #include "zint.h"