diff --git a/SketchWidget.py b/SketchWidget.py
index 7548fff..9060c58 100644
--- a/SketchWidget.py
+++ b/SketchWidget.py
@@ -473,6 +473,7 @@ class SketchWidget(object):
                 sys.stderr.write(__name__ +
                         ':solve(): Unknown Sketch.solve() result\n')
             self.window.update_sketch_status(valid, text)
+            self.update_snap_ptrefs()
 
 class Mode(object):
     def do_left_click(self, sw, x, y):