diff --git a/SketchWidget.py b/SketchWidget.py
index b6ac4cf..83f6104 100644
--- a/SketchWidget.py
+++ b/SketchWidget.py
@@ -357,7 +357,7 @@ class SketchWidget:
             for c in self.drawingConstraints:
                 self.sketch.constraints.append(c)
             self.drawingConstraints = []
-            start = self.drawingShape.getPt(1)
+            start = self.drawingShape.getPt(1) # start at last snap point
         self.drawingShape = Line(start[0], start[1], start[0], start[1])
         self.queue_redraw()