3 files changed, 9 insertions, 2 deletions
diff --git a/src/imports/sensors/plugins.qmltypes b/src/imports/sensors/plugins.qmltypes
index 86ba0ad0..97a2bcd1 100644
--- a/src/imports/sensors/plugins.qmltypes
+++ b/src/imports/sensors/plugins.qmltypes
@@ -170,6 +170,10 @@ Module {
         prototype: "QmlSensor"
         exports: ["RotationSensor 5.0", "RotationSensor 5.1"]
         Property { name: "hasZ"; type: "bool"; isReadonly: true }
+        Signal {
+            name: "hasZChanged"
+            Parameter { name: "hasZ"; type: "bool" }
+        }
     }
     Component {
         name: "QmlRotationSensorReading"
diff --git a/src/imports/sensors/qmlrotationsensor.cpp b/src/imports/sensors/qmlrotationsensor.cpp
index e58a3f8c..f1821641 100644
--- a/src/imports/sensors/qmlrotationsensor.cpp
+++ b/src/imports/sensors/qmlrotationsensor.cpp
@@ -65,6 +65,7 @@ QmlRotationSensor::QmlRotationSensor(QObject *parent)
     : QmlSensor(parent)
     , m_sensor(new QRotationSensor(this))
 {
+    connect(m_sensor, SIGNAL(hasZChanged(bool)), this, SIGNAL(hasZChanged(bool)));
 }
 
 QmlRotationSensor::~QmlRotationSensor()
@@ -90,7 +91,7 @@ QSensor *QmlRotationSensor::sensor() const
 
 bool QmlRotationSensor::hasZ() const
 {
-    return m_sensor->property("hasZ").toBool();
+    return m_sensor->hasZ();
 }
 
 void QmlRotationSensor::_update()
diff --git a/src/imports/sensors/qmlrotationsensor.h b/src/imports/sensors/qmlrotationsensor.h
index 105b0fb8..4d7b543a 100644
--- a/src/imports/sensors/qmlrotationsensor.h
+++ b/src/imports/sensors/qmlrotationsensor.h
@@ -51,13 +51,15 @@ class QRotationSensor;
 class QmlRotationSensor : public QmlSensor
 {
     Q_OBJECT
-    Q_PROPERTY(bool hasZ READ hasZ)
+    Q_PROPERTY(bool hasZ READ hasZ NOTIFY hasZChanged)
 public:
     explicit QmlRotationSensor(QObject *parent = 0);
     ~QmlRotationSensor();
 
     bool hasZ() const;
 
+Q_SIGNALS:
+    void hasZChanged(bool hasZ);
 
 private:
     QSensor *sensor() const Q_DECL_OVERRIDE;