diff --git qt4/style/qtcurve.h qt4/style/qtcurve.h
index 28241220..a55424cb 100644
--- qt4/style/qtcurve.h
+++ qt4/style/qtcurve.h
@@ -33,6 +33,8 @@
 #include <QStyleOption>
 #include <QtGlobal>
 #include <QCommonStyle>
+#include <QPainterPath>
+
 typedef qulonglong QtcKey;
 #include <common/common.h>
 
diff --git qt5/style/qtcurve.h qt5/style/qtcurve.h
index 3ba366b7..19197602 100644
--- qt5/style/qtcurve.h
+++ qt5/style/qtcurve.h
@@ -34,6 +34,7 @@
 #include <QStyleOption>
 #include <QtGlobal>
 #include <QCommonStyle>
+#include <QPainterPath>
 #ifdef QTC_QT5_ENABLE_KDE
 #include <KConfigCore/KSharedConfig>
 #include <KConfigCore/KConfigGroup>