diff --git a/src/AutoPilotPlugins/PX4/SensorsComponentController.cc b/src/AutoPilotPlugins/PX4/SensorsComponentController.cc
index ebeec5f5e337f5282f35fe3616d85d11d08c06ed..6a5a73b958e7b7ba25e01f377cc0295a021ea19c 100644
--- a/src/AutoPilotPlugins/PX4/SensorsComponentController.cc
+++ b/src/AutoPilotPlugins/PX4/SensorsComponentController.cc
@@ -39,6 +39,7 @@ SensorsComponentController::SensorsComponentController(void) :
     _gyroButton(NULL),
     _accelButton(NULL),
     _airspeedButton(NULL),
+    _levelButton(NULL),
     _cancelButton(NULL),
     _showOrientationCalArea(false),
     _gyroCalInProgress(false),
@@ -106,6 +107,7 @@ void SensorsComponentController::_startVisualCalibration(void)
     _gyroButton->setEnabled(false);
     _accelButton->setEnabled(false);
     _airspeedButton->setEnabled(false);
+    _levelButton->setEnabled(false);
     _cancelButton->setEnabled(true);
     
     _progressBar->setProperty("value", 0);
@@ -119,6 +121,7 @@ void SensorsComponentController::_stopCalibration(SensorsComponentController::St
     _gyroButton->setEnabled(true);
     _accelButton->setEnabled(true);
     _airspeedButton->setEnabled(true);
+    _levelButton->setEnabled(true);
     _cancelButton->setEnabled(false);
     
     if (code == StopCalibrationSuccess) {
@@ -439,4 +442,4 @@ void SensorsComponentController::cancelCalibration(void)
     emit waitingForCancelChanged();
     _cancelButton->setEnabled(false);
     _uas->stopCalibration();
-}
\ No newline at end of file
+}
diff --git a/src/AutoPilotPlugins/PX4/SensorsComponentController.h b/src/AutoPilotPlugins/PX4/SensorsComponentController.h
index 41a17e486aa743747187f48ad18dc1dcc24c0be2..985b33661eb09ccbe2d1defb1165fec500ec6f15 100644
--- a/src/AutoPilotPlugins/PX4/SensorsComponentController.h
+++ b/src/AutoPilotPlugins/PX4/SensorsComponentController.h
@@ -50,6 +50,7 @@ public:
     Q_PROPERTY(QQuickItem* gyroButton MEMBER _gyroButton)
     Q_PROPERTY(QQuickItem* accelButton MEMBER _accelButton)
     Q_PROPERTY(QQuickItem* airspeedButton MEMBER _airspeedButton)
+    Q_PROPERTY(QQuickItem* levelButton MEMBER _levelButton)
     Q_PROPERTY(QQuickItem* cancelButton MEMBER _cancelButton)
     Q_PROPERTY(QQuickItem* orientationCalAreaHelpText MEMBER _orientationCalAreaHelpText)
     
@@ -127,6 +128,7 @@ private:
     QQuickItem* _gyroButton;
     QQuickItem* _accelButton;
     QQuickItem* _airspeedButton;
+    QQuickItem* _levelButton;
     QQuickItem* _cancelButton;
     QQuickItem* _orientationCalAreaHelpText;