diff --git a/src/axis/barcategoryaxis/chartbarcategoryaxisx.cpp b/src/axis/barcategoryaxis/chartbarcategoryaxisx.cpp
index e10367f..072c1fd 100644
--- a/src/axis/barcategoryaxis/chartbarcategoryaxisx.cpp
+++ b/src/axis/barcategoryaxis/chartbarcategoryaxisx.cpp
@@ -28,17 +28,17 @@ static int label_padding = 5;
 
 QTCOMMERCIALCHART_BEGIN_NAMESPACE
 
-ChartCategoriesAxisX::ChartCategoriesAxisX(QBarCategoryAxis *axis,ChartPresenter *presenter) : ChartAxis(axis,presenter),
+ChartBarCategoryAxisX::ChartBarCategoryAxisX(QBarCategoryAxis *axis,ChartPresenter *presenter) : ChartAxis(axis,presenter),
 m_categoriesAxis(axis)
 {
 
 }
 
-ChartCategoriesAxisX::~ChartCategoriesAxisX()
+ChartBarCategoryAxisX::~ChartBarCategoryAxisX()
 {
 }
 
-QVector<qreal> ChartCategoriesAxisX::calculateLayout() const
+QVector<qreal> ChartBarCategoryAxisX::calculateLayout() const
 {
     int count = m_categoriesAxis->d_ptr->count();
 
@@ -69,7 +69,7 @@ QVector<qreal> ChartCategoriesAxisX::calculateLayout() const
     return points;
 }
 
-QStringList ChartCategoriesAxisX::createCategoryLabels(const QVector<qreal>& layout) const
+QStringList ChartBarCategoryAxisX::createCategoryLabels(const QVector<qreal>& layout) const
 {
     QStringList result;
     qreal d = (m_max - m_min)/m_rect.width();
@@ -88,7 +88,7 @@ QStringList ChartCategoriesAxisX::createCategoryLabels(const QVector<qreal>& lay
 }
 
 
-void ChartCategoriesAxisX::updateGeometry()
+void ChartBarCategoryAxisX::updateGeometry()
 {
     const QVector<qreal>& layout = ChartAxis::layout();
 
@@ -148,7 +148,7 @@ void ChartCategoriesAxisX::updateGeometry()
     }
 }
 
-void ChartCategoriesAxisX::handleAxisUpdated()
+void ChartBarCategoryAxisX::handleAxisUpdated()
 {
     if(m_categoriesAxis->categories()!=m_categories)
     {
diff --git a/src/axis/barcategoryaxis/chartbarcategoryaxisx_p.h b/src/axis/barcategoryaxis/chartbarcategoryaxisx_p.h
index 33ed4e2..8bca232 100644
--- a/src/axis/barcategoryaxis/chartbarcategoryaxisx_p.h
+++ b/src/axis/barcategoryaxis/chartbarcategoryaxisx_p.h
@@ -38,11 +38,11 @@ class QAbstractAxis;
 class ChartPresenter;
 class QBarCategoryAxis;
 
-class ChartCategoriesAxisX : public ChartAxis
+class ChartBarCategoryAxisX : public ChartAxis
 {
 public:
-    ChartCategoriesAxisX(QBarCategoryAxis *axis, ChartPresenter *presenter);
-    ~ChartCategoriesAxisX();
+    ChartBarCategoryAxisX(QBarCategoryAxis *axis, ChartPresenter *presenter);
+    ~ChartBarCategoryAxisX();
 
     AxisType axisType() const { return X_AXIS;}
 
diff --git a/src/axis/barcategoryaxis/chartbarcategoryaxisy.cpp b/src/axis/barcategoryaxis/chartbarcategoryaxisy.cpp
index 45cc954..f560236 100644
--- a/src/axis/barcategoryaxis/chartbarcategoryaxisy.cpp
+++ b/src/axis/barcategoryaxis/chartbarcategoryaxisy.cpp
@@ -28,16 +28,16 @@ static int label_padding = 5;
 
 QTCOMMERCIALCHART_BEGIN_NAMESPACE
 
-ChartCategoriesAxisY::ChartCategoriesAxisY(QBarCategoryAxis *axis,ChartPresenter *presenter) : ChartAxis(axis,presenter),
+ChartBarCategoryAxisY::ChartBarCategoryAxisY(QBarCategoryAxis *axis,ChartPresenter *presenter) : ChartAxis(axis,presenter),
 m_categoriesAxis(axis)
 {
 }
 
-ChartCategoriesAxisY::~ChartCategoriesAxisY()
+ChartBarCategoryAxisY::~ChartBarCategoryAxisY()
 {
 }
 
-QVector<qreal> ChartCategoriesAxisY::calculateLayout() const
+QVector<qreal> ChartBarCategoryAxisY::calculateLayout() const
 {
     int count = m_categoriesAxis->d_ptr->count();
 
@@ -68,7 +68,7 @@ QVector<qreal> ChartCategoriesAxisY::calculateLayout() const
     return points;
 }
 
-QStringList ChartCategoriesAxisY::createCategoryLabels(const QVector<qreal>& layout) const
+QStringList ChartBarCategoryAxisY::createCategoryLabels(const QVector<qreal>& layout) const
 {
     QStringList result;
     qreal d = (m_max - m_min)/m_rect.height();
@@ -86,7 +86,7 @@ QStringList ChartCategoriesAxisY::createCategoryLabels(const QVector<qreal>& lay
     return result;
 }
 
-void ChartCategoriesAxisY::updateGeometry()
+void ChartBarCategoryAxisY::updateGeometry()
 {
     const QVector<qreal>& layout = ChartAxis::layout();
 
@@ -147,7 +147,7 @@ void ChartCategoriesAxisY::updateGeometry()
     }
 }
 
-void ChartCategoriesAxisY::handleAxisUpdated()
+void ChartBarCategoryAxisY::handleAxisUpdated()
 {
 
     if(m_categoriesAxis->categories()!=m_categories)
diff --git a/src/axis/barcategoryaxis/chartbarcategoryaxisy_p.h b/src/axis/barcategoryaxis/chartbarcategoryaxisy_p.h
index 1a0b7c0..4ac4dba 100644
--- a/src/axis/barcategoryaxis/chartbarcategoryaxisy_p.h
+++ b/src/axis/barcategoryaxis/chartbarcategoryaxisy_p.h
@@ -38,11 +38,11 @@ class QAbstractAxis;
 class QBarCategoryAxis;
 class ChartPresenter;
 
-class ChartCategoriesAxisY : public ChartAxis
+class ChartBarCategoryAxisY : public ChartAxis
 {
 public:
-    ChartCategoriesAxisY(QBarCategoryAxis *axis, ChartPresenter *presenter);
-    ~ChartCategoriesAxisY();
+    ChartBarCategoryAxisY(QBarCategoryAxis *axis, ChartPresenter *presenter);
+    ~ChartBarCategoryAxisY();
 
     AxisType axisType() const { return Y_AXIS;}
 
diff --git a/src/axis/barcategoryaxis/qbarcategoryaxis.cpp b/src/axis/barcategoryaxis/qbarcategoryaxis.cpp
index 5013359..b61d069 100644
--- a/src/axis/barcategoryaxis/qbarcategoryaxis.cpp
+++ b/src/axis/barcategoryaxis/qbarcategoryaxis.cpp
@@ -446,9 +446,9 @@ ChartAxis* QBarCategoryAxisPrivate::createGraphics(ChartPresenter* presenter)
 {
     Q_Q(QBarCategoryAxis);
     if(m_orientation == Qt::Vertical){
-        return new ChartCategoriesAxisY(q,presenter);
+        return new ChartBarCategoryAxisY(q,presenter);
     }else{
-        return new ChartCategoriesAxisX(q,presenter);
+        return new ChartBarCategoryAxisX(q,presenter);
     }
 }
 
diff --git a/src/axis/barcategoryaxis/qbarcategoryaxis.h b/src/axis/barcategoryaxis/qbarcategoryaxis.h
index cb26bb4..2a4e507 100644
--- a/src/axis/barcategoryaxis/qbarcategoryaxis.h
+++ b/src/axis/barcategoryaxis/qbarcategoryaxis.h
@@ -70,8 +70,8 @@ Q_SIGNALS:
 private:
     Q_DECLARE_PRIVATE(QBarCategoryAxis)
     Q_DISABLE_COPY(QBarCategoryAxis)
-    friend class ChartCategoriesAxisX;
-    friend class ChartCategoriesAxisY;
+    friend class ChartBarCategoryAxisX;
+    friend class ChartBarCategoryAxisY;
 };
 
 QTCOMMERCIALCHART_END_NAMESPACE