1 files changed, 13 insertions, 0 deletions
diff --git a/src/sensors/qrotationsensor_p.h b/src/sensors/qrotationsensor_p.h
index bf3aef7c..401c2143 100644
--- a/src/sensors/qrotationsensor_p.h
+++ b/src/sensors/qrotationsensor_p.h
@@ -53,6 +53,8 @@
 // We mean it.
 //
 
+#include "qsensor_p.h"
+
 QT_BEGIN_NAMESPACE
 
 class QRotationReadingPrivate
@@ -70,6 +72,17 @@ public:
     qreal z;
 };
 
+class QRotationSensorPrivate : public QSensorPrivate
+{
+public:
+    QRotationSensorPrivate()
+        : hasZ(true)
+    {
+    }
+
+    bool hasZ;
+};
+
 QT_END_NAMESPACE
 
 #endif