diff --git a/src/AutoPilotPlugins/APM/APMRemoteParamsDownloader.cc b/src/AutoPilotPlugins/APM/APMRemoteParamsDownloader.cc
index 8b4834dbc4b3b1d909973b21020e6d2cf3df6a31..8ab34de35c30b79695faedc56e95460ccc4385bc 100644
--- a/src/AutoPilotPlugins/APM/APMRemoteParamsDownloader.cc
+++ b/src/AutoPilotPlugins/APM/APMRemoteParamsDownloader.cc
@@ -69,9 +69,8 @@ void APMRemoteParamsDownloader::refreshParamList()
     QUrl url = FRAME_PARAMS_LIST;
     m_networkReply->deleteLater();
     m_networkReply = m_networkAccessManager.get(QNetworkRequest(url));
-    connect(m_networkReply, SIGNAL(finished()), this, SLOT(httpParamListFinished()));
-    connect(m_networkReply, SIGNAL(downloadProgress(qint64,qint64)),
-            this, SLOT(updateDataReadProgress(qint64,qint64)));
+    connect(m_networkReply, &QNetworkReply::finished, this, &APMRemoteParamsDownloader::httpParamListFinished);
+    connect(m_networkReply, &QNetworkReply::downloadProgress, this, &APMRemoteParamsDownloader::updateDataReadProgress);
 }
 
 /* Returned Json Example
@@ -120,9 +119,9 @@ void APMRemoteParamsDownloader::startFileDownloadRequest()
     m_downloadedParamFile->open(QIODevice::WriteOnly);
 
     m_networkReply = m_networkAccessManager.get(QNetworkRequest(url));
-    connect(m_networkReply, SIGNAL(finished()), this, SLOT(httpFinished()));
-    connect(m_networkReply, SIGNAL(readyRead()), this, SLOT(httpReadyRead()));
-    connect(m_networkReply, SIGNAL(downloadProgress(qint64,qint64)), this, SLOT(updateDataReadProgress(qint64,qint64)));
+    connect(m_networkReply, &QNetworkReply::finished, this, &APMRemoteParamsDownloader::httpFinished);
+    connect(m_networkReply, &QNetworkReply::readyRead, this, &APMRemoteParamsDownloader::httpReadyRead);
+    connect(m_networkReply, &QNetworkReply::downloadProgress, this, &APMRemoteParamsDownloader::updateDataReadProgress);
     curr++;
 }
 
diff --git a/src/AutoPilotPlugins/APM/APMRemoteParamsDownloader.h b/src/AutoPilotPlugins/APM/APMRemoteParamsDownloader.h
index b635cc77e4ab743f2f448d64267a81c0aa64e7d8..e22a4b137f3c6f0e268ac8471d9eef515e10b8dc 100644
--- a/src/AutoPilotPlugins/APM/APMRemoteParamsDownloader.h
+++ b/src/AutoPilotPlugins/APM/APMRemoteParamsDownloader.h
@@ -17,18 +17,19 @@ class APMRemoteParamsDownloader : public QObject
 public:
     explicit APMRemoteParamsDownloader(const QString& file);
     QString statusText() const;
-public slots:
     void refreshParamList();
     void httpParamListFinished();
     void httpFinished();
     void httpReadyRead();
     void updateDataReadProgress(qint64 bytesRead, qint64 totalBytes);
+
 private:
     void setStatusText(const QString& text);
     void startFileDownloadRequest();
     void manualListSetup();
     void processDownloadedVersionObject(const QByteArray& listObject);
     void startDownloadingRemoteParams();
+
 signals:
     void finished();
 private: