diff --git a/src/charts/scroller_p.h b/src/charts/scroller_p.h
index 0c669f3..5df9fb0 100644
--- a/src/charts/scroller_p.h
+++ b/src/charts/scroller_p.h
@@ -31,6 +31,7 @@
 #define SCROLLER_P_H
 
 #include <QtCharts/QChartGlobal>
+#include <QtCore/QObject>
 #include <QtCore/QBasicTimer>
 #include <QtCore/QTime>
 #include <QtCore/QPointF>