diff --git a/wxPython/wx/lib/plot.py b/wxPython/wx/lib/plot.py
index 5fabf66063..b92577c769 100644
--- a/wxPython/wx/lib/plot.py
+++ b/wxPython/wx/lib/plot.py
@@ -556,7 +556,7 @@ class PlotCanvas(wx.Window):
                 self.pageSetupData.SetMarginBottomRight(data.GetMarginBottomRight())
                 self.pageSetupData.SetMarginTopLeft(data.GetMarginTopLeft())
                 self.pageSetupData.SetPrintData(data.GetPrintData())
-                self.print_data=data.GetPrintData() # updates print_data
+                self.print_data=wx.PrintData(data.GetPrintData()) # updates print_data
         finally:
             dlg.Destroy()
                 
@@ -570,7 +570,7 @@ class PlotCanvas(wx.Window):
         out = PlotPrintout(self)
         print_ok = printer.Print(self.parent, out)
         if print_ok:
-            self.print_data = printer.GetPrintDialogData().GetPrintData()
+            self.print_data = wx.PrintData(printer.GetPrintDialogData().GetPrintData())
         out.Destroy()
 
     def PrintPreview(self):