1 files changed, 5 insertions, 5 deletions
diff --git a/tradeshow/iot-sensortag/mqttdataprovider.h b/tradeshow/iot-sensortag/mqttdataprovider.h
index 9a52332..53a4492 100644
--- a/tradeshow/iot-sensortag/mqttdataprovider.h
+++ b/tradeshow/iot-sensortag/mqttdataprovider.h
@@ -62,12 +62,12 @@ class MqttDataProvider : public SensorTagDataProvider
 {
     Q_OBJECT
 public:
-    explicit MqttDataProvider(QString id, QMqttClient *client, QObject *parent = 0);
+    explicit MqttDataProvider(QString id, QMqttClient *client, QObject *parent = nullptr);
 
-    bool startDataFetching();
-    void endDataFetching();
-    QString sensorType() const;
-    QString versionString() const;
+    bool startDataFetching() override;
+    void endDataFetching() override;
+    QString sensorType() const override;
+    QString versionString() const override;
     void reset() override;
 
 public slots: