diff --git a/src/FlightDisplay/VideoManager.cc b/src/FlightDisplay/VideoManager.cc
index 4011ed613c01da762552f04b7ed688aebf782cc7..f9c0fd3fb33be4b38c44a2ed87b6a29ed59f8aa9 100644
--- a/src/FlightDisplay/VideoManager.cc
+++ b/src/FlightDisplay/VideoManager.cc
@@ -32,8 +32,8 @@ QGC_LOGGING_CATEGORY(VideoManagerLog, "VideoManagerLog")
 //-----------------------------------------------------------------------------
 VideoManager::VideoManager(QGCApplication* app, QGCToolbox* toolbox)
     : QGCTool(app, toolbox)
-    , _videoReceiver(NULL)
-    , _videoSettings(NULL)
+    , _videoReceiver(nullptr)
+    , _videoSettings(nullptr)
     , _fullScreen(false)
 {
 }
diff --git a/src/VideoStreaming/VideoReceiver.h b/src/VideoStreaming/VideoReceiver.h
index 04e344e09326bc48c5eacab3748ed4c5540cc46f..65ee942fbf6a9dc1232f9d9861220409caf71526 100644
--- a/src/VideoStreaming/VideoReceiver.h
+++ b/src/VideoStreaming/VideoReceiver.h
@@ -44,7 +44,7 @@ public:
     Q_PROPERTY(QString          videoFile           READ    videoFile           NOTIFY  videoFileChanged)
     Q_PROPERTY(bool             showFullScreen      READ    showFullScreen      WRITE   setShowFullScreen     NOTIFY showFullScreenChanged)
 
-    explicit VideoReceiver(QObject* parent = 0);
+    explicit VideoReceiver(QObject* parent = nullptr);
     ~VideoReceiver();
 
 #if defined(QGC_GST_STREAMING)