diff --git a/stage/part/KPrPresentationTool.cpp b/stage/part/KPrPresentationTool.cpp
--- a/stage/part/KPrPresentationTool.cpp
+++ b/stage/part/KPrPresentationTool.cpp
@@ -24,6 +24,7 @@
 
 #include "KPrPresentationTool.h"
 
+#include <QFrame>
 #include <QWidget>
 #include <QVBoxLayout>
 #include <QPainter>