diff --git a/examples/dokk/level.py b/examples/dokk/level.py
index 85236e4ddd443cdefddd1de78b6bbef2b402326c..fbb11f63f1b884041f73641ec4108dada2aa5a1e 100644
--- a/examples/dokk/level.py
+++ b/examples/dokk/level.py
@@ -111,6 +111,7 @@ class Level(QtCore.QObject):
   def Reset(self):
     self.endtime = 0
     self.stop_time = 0
+    self.timer.stop()
     self.CleanHUD()
     self.ResetPos()
     self.emit(QtCore.SIGNAL("Stopped()"))
diff --git a/examples/dokk/ligand.py b/examples/dokk/ligand.py
index 1e4f5879850f57e1ac8c39f315d7540cbe065fbe..e970f560de82c282ec6ce981afdb77f209338522 100644
--- a/examples/dokk/ligand.py
+++ b/examples/dokk/ligand.py
@@ -7,6 +7,7 @@ class Ligand:
     self.the_solution_=ligand.Copy().CreateFullView()
     self.go=gfx.Entity("Ligand", gfx.CPK, self.handle)
     self.go.SetColor(gfx.GREEN, 'ele=C')
+    self.go.cpk_options.SetSphereDetail(7)
     gfx.Scene().Add(self.go)
     gfx.Scene().SetCenter(self.go.center)
     bbox=self.go.GetBoundingBox()