diff --git a/wxPython/demo/SpinButton.py b/wxPython/demo/SpinButton.py
index eb5504f006..9f09e5d8f2 100644
--- a/wxPython/demo/SpinButton.py
+++ b/wxPython/demo/SpinButton.py
@@ -18,7 +18,7 @@ class TestPanel(wx.Panel):
         self.text = wx.TextCtrl(self, -1, "1", (30, 50), (60, -1))
         h = self.text.GetSize().height
 
-        self.spin = wx.SpinButton(self, -1, (92, 50), (h, h), wx.SP_VERTICAL)
+        self.spin = wx.SpinButton(self, -1, (92, 50), (h/2, h), wx.SP_VERTICAL)
         self.spin.SetRange(1, 100)
         self.spin.SetValue(1)