diff --git a/src/Mod/PartDesign/WizardShaft/ShaftDiagram.py b/src/Mod/PartDesign/WizardShaft/ShaftDiagram.py
index 74962dded..01e12b5a5 100644
--- a/src/Mod/PartDesign/WizardShaft/ShaftDiagram.py
+++ b/src/Mod/PartDesign/WizardShaft/ShaftDiagram.py
@@ -88,4 +88,6 @@ class Diagram:
             del self.thePlot.series[0]
 
         self.thePlot.update()
+        self.xpoints = [p * self.xscale for p in self.xpoints]
+        self.ypoints = [p * self.yscale for p in self.ypoints]
         self.thePlot.plot(self.xpoints, self.ypoints)