diff --git a/Qt/Core/pqPlotSettingsModel.cxx b/Qt/Core/pqPlotSettingsModel.cxx
index 52e96f1..8b07e76 100644
--- a/Qt/Core/pqPlotSettingsModel.cxx
+++ b/Qt/Core/pqPlotSettingsModel.cxx
@@ -32,11 +32,12 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include "pqPlotSettingsModel.h"
 
 #include "pqDataRepresentation.h"
+#include "pqUndoStack.h"
 #include "vtkChartRepresentation.h"
-#include "vtkSMPropertyHelper.h"
+#include "vtkEventQtSlotConnect.h"
 #include "vtkSMChartRepresentationProxy.h"
+#include "vtkSMPropertyHelper.h"
 #include "vtkWeakPointer.h"
-#include "vtkEventQtSlotConnect.h"
 
 #include <QPointer>
 #include <QPixmap>
@@ -270,6 +271,7 @@ void pqPlotSettingsModel::setSeriesEnabled(int row, bool enabled)
 {
   if (row >= 0 && row < this->rowCount(QModelIndex()))
     {
+    BEGIN_UNDO_SET("Change Series Visibility");
     vtkSMPropertyHelper(this->Implementation->RepresentationProxy,
       "SeriesVisibility").SetStatus(
       this->getSeriesName(row), enabled ? 1 : 0);
@@ -281,6 +283,7 @@ void pqPlotSettingsModel::setSeriesEnabled(int row, bool enabled)
     emit this->redrawChart();
     emit this->rescaleChart();
     this->updateCheckState(0, Qt::Horizontal);
+    END_UNDO_SET();
     }
 }
 
@@ -297,11 +300,13 @@ void pqPlotSettingsModel::setSeriesLabel(int row, const QString& label)
 {
   if (row >= 0 && row < this->rowCount(QModelIndex()))
     {
+    BEGIN_UNDO_SET("Change Series Label");
     vtkSMPropertyHelper(this->Implementation->RepresentationProxy,
       "SeriesLabel").SetStatus(
       this->getSeriesName(row), label.toAscii().data());
     this->Implementation->RepresentationProxy->UpdateVTKObjects();
     emit this->redrawChart();
+    END_UNDO_SET();
     }
 }
 
@@ -319,6 +324,7 @@ void pqPlotSettingsModel::setSeriesColor(int row, const QColor &color)
 {
   if (row >= 0 && row < this->rowCount(QModelIndex()))
     {
+    BEGIN_UNDO_SET("Change Series Color");
     double double_color[3];
     qreal qreal_color[3];
     color.getRgbF(qreal_color, qreal_color+1, qreal_color+2);
@@ -332,6 +338,7 @@ void pqPlotSettingsModel::setSeriesColor(int row, const QColor &color)
     QModelIndex idx = this->createIndex(row, 1);
     emit this->dataChanged(idx, idx);
     emit this->redrawChart();
+    END_UNDO_SET();
     }
 }
 
@@ -349,11 +356,13 @@ void pqPlotSettingsModel::setSeriesThickness(int row, int value)
 {
   if (row >= 0 && row < this->rowCount(QModelIndex()))
     {
+    BEGIN_UNDO_SET("Change Series Line Thickness");
     vtkSMPropertyHelper(this->Implementation->RepresentationProxy,
       "SeriesLineThickness").SetStatus(
       this->getSeriesName(row), value);
     this->Implementation->RepresentationProxy->UpdateVTKObjects();
     emit this->redrawChart();
+    END_UNDO_SET();
     }
 }
 
@@ -369,11 +378,13 @@ void pqPlotSettingsModel::setSeriesStyle(int row, int value)
 {
   if (row >= 0 && row < this->rowCount(QModelIndex()))
     {
+    BEGIN_UNDO_SET("Change Series Line Style");
     vtkSMPropertyHelper(this->Implementation->RepresentationProxy,
       "SeriesLineStyle").SetStatus(
       this->getSeriesName(row), value);
     this->Implementation->RepresentationProxy->UpdateVTKObjects();
     emit this->redrawChart();
+    END_UNDO_SET();
     }
 }
 
@@ -389,11 +400,13 @@ void pqPlotSettingsModel::setSeriesAxisCorner(int row, int value)
 {
   if (row >= 0 && row < this->rowCount(QModelIndex()))
     {
+    BEGIN_UNDO_SET("Change Series Axes Placement");
     vtkSMPropertyHelper(this->Implementation->RepresentationProxy,
       "SeriesPlotCorner").SetStatus(
       this->getSeriesName(row), value);
     this->Implementation->RepresentationProxy->UpdateVTKObjects();
     emit this->redrawChart();
+    END_UNDO_SET();
     }
 }
 
@@ -409,11 +422,13 @@ void pqPlotSettingsModel::setSeriesMarkerStyle(int row, int value)
 {
   if (row >= 0 && row < this->rowCount(QModelIndex()))
     {
+    BEGIN_UNDO_SET("Change Series Marker Style");
     vtkSMPropertyHelper(this->Implementation->RepresentationProxy,
       "SeriesMarkerStyle").SetStatus(
       this->getSeriesName(row), value);
     this->Implementation->RepresentationProxy->UpdateVTKObjects();
     emit this->redrawChart();
+    END_UNDO_SET();
     }
 }