diff --git a/examples/iot-dashboard/Diagram.cpp b/examples/iot-dashboard/Diagram.cpp
index b835acb2..c013fc99 100644
--- a/examples/iot-dashboard/Diagram.cpp
+++ b/examples/iot-dashboard/Diagram.cpp
@@ -8,6 +8,7 @@
 #include <QskTextLabel.h>
 
 #include <QPainter>
+#include <QPainterPath>
 
 #include <cmath>