diff --git a/src/pulsaranimationwidget.h b/src/pulsaranimationwidget.h
index 290099139335c2a3bb3aa50d6066a894af74bcfc..7d56d3fd15d83e479f5631dc289d657336f9d99e 100644
--- a/src/pulsaranimationwidget.h
+++ b/src/pulsaranimationwidget.h
@@ -33,30 +33,30 @@
 
 class PulsarAnimationWidget : public QGLWidget
 {
-	Q_OBJECT
+    Q_OBJECT
 
 public:
-	PulsarAnimationWidget(QWidget *parent);
-	virtual ~PulsarAnimationWidget();
+    PulsarAnimationWidget(QWidget *parent);
+    virtual ~PulsarAnimationWidget();
 
-	void setFramePerSecond(const unsigned int fps);
-	void setPulsarSpinFrequency(const double frequency);
-	void setPulsarSpinAxisInclination(const int degrees);
-	void setPulsarMagneticAxisInclination(const int degrees);
-        void setPulsarBeamAngle(const int degrees);
+    void setFramePerSecond(const unsigned int fps);
+    void setPulsarSpinFrequency(const double frequency);
+    void setPulsarSpinAxisInclination(const int degrees);
+    void setPulsarMagneticAxisInclination(const int degrees);
+    void setPulsarBeamAngle(const int degrees);
 
 public slots:
-	void runAnimation();
-	void pauseAnimation();
-	void stopAnimation();
+    void runAnimation();
+    void pauseAnimation();
+    void stopAnimation();
 
-	void updateFrame();
+    void updateFrame();
 
-	void showRotationAxes(bool enabled);
+    void showRotationAxes(bool enabled);
 
 signals:
-	void pulseProfileUpdated(const QVector<double>& data);
-	void pulsarAnimationStep(double position);
+    void pulseProfileUpdated(const QVector<double>& data);
+    void pulsarAnimationStep(double position);
 
 private:
     void initializeGL();
@@ -74,46 +74,46 @@ private:
 
     QTimer m_frameTimer;
 
-	GLUquadricObj *m_quadricPulsar;
-        GLUquadricObj *m_quadricPulsarConeRim1;
-        GLUquadricObj *m_quadricPulsarConeRim2;
-	GLUquadricObj *m_quadricPulsarSpinAxis;
-        GLUquadricObj *m_quadricPulsarSpinAxisTop1;
-        GLUquadricObj *m_quadricPulsarSpinAxisTop2;
-	GLUquadricObj *m_quadricPulsarMagneticAxis;
+    GLUquadricObj *m_quadricPulsar;
+    GLUquadricObj *m_quadricPulsarConeRim1;
+    GLUquadricObj *m_quadricPulsarConeRim2;
+    GLUquadricObj *m_quadricPulsarSpinAxis;
+    GLUquadricObj *m_quadricPulsarSpinAxisTop1;
+    GLUquadricObj *m_quadricPulsarSpinAxisTop2;
+    GLUquadricObj *m_quadricPulsarMagneticAxis;
 
-	GLuint m_pulsarTexture;
-	GLuint m_backgroundTexture;
+    GLuint m_pulsarTexture;
+    GLuint m_backgroundTexture;
 
-	int m_framesPerSecond;
+    int m_framesPerSecond;
 
-	double m_pulsarRotationAngle;
-	double m_pulsarRotationDelta;
+    double m_pulsarRotationAngle;
+    double m_pulsarRotationDelta;
 
-	double m_pulsarSpinAxisInclination;
-	double m_pulsarMagneticAxisInclination;
+    double m_pulsarSpinAxisInclination;
+    double m_pulsarMagneticAxisInclination;
     double m_pulsarBeamLength;
     double m_pulsarBeamInnerRadius;
     double m_pulsarBeamOuterRadius;
     double m_pulsarBeamRimSize;
 
-	bool m_showRotationAxes;
-	bool m_cameraInteraction;
+    bool m_showRotationAxes;
+    bool m_cameraInteraction;
 
-	int m_mouseLastX;
-	int m_mouseLastY;
-	double m_mouseAngleH;
-	double m_mouseAngleV;
-	double m_cameraZoom;
-	double m_cameraZoomLBound;
-	double m_cameraZoomUBound;
-	double m_cameraPosX;
-	double m_cameraPosY;
-	double m_cameraPosZ;
+    int m_mouseLastX;
+    int m_mouseLastY;
+    double m_mouseAngleH;
+    double m_mouseAngleV;
+    double m_cameraZoom;
+    double m_cameraZoomLBound;
+    double m_cameraZoomUBound;
+    double m_cameraPosX;
+    double m_cameraPosY;
+    double m_cameraPosZ;
 
-	QVector<double> m_pulseProfile;
+    QVector<double> m_pulseProfile;
 
-	static const double deg2rad;
+    static const double deg2rad;
 };
 
 #endif /* PULSARANIMATIONWIDGET_H_ */