diff --git a/examples/ScatterPlotSpeedTest.py b/examples/ScatterPlotSpeedTest.py
index 1140a603..bcda7148 100644
--- a/examples/ScatterPlotSpeedTest.py
+++ b/examples/ScatterPlotSpeedTest.py
@@ -24,6 +24,7 @@ param = ptree.Parameter.create(name=translate('ScatterPlot', 'Parameters'), type
     dict(name='count', title=translate('ScatterPlot', 'Count:    '), type='int', limits=[1, None], value=500, step=100),
     dict(name='size', title=translate('ScatterPlot', 'Size:    '), type='int', limits=[1, None], value=10),
     dict(name='randomize', title=translate('ScatterPlot', 'Randomize:    '), type='bool', value=False),
+    dict(name='_USE_PXFRAGS', title='_USE_PXFRAGS:    ', type='bool', value=pyqtgraph.graphicsItems.ScatterPlotItem._USE_PXFRAGS),
     dict(name='_USE_QRECT', title='_USE_QRECT:    ', type='bool', value=pyqtgraph.graphicsItems.ScatterPlotItem._USE_QRECT),
     dict(name='pxMode', title='pxMode:    ', type='bool', value=True),
     dict(name='useCache', title='useCache:    ', type='bool', value=True),
@@ -68,6 +69,7 @@ def mkDataAndItem():
 
 def mkItem():
     global item
+    pyqtgraph.graphicsItems.ScatterPlotItem._USE_PXFRAGS = param['_USE_PXFRAGS']
     pyqtgraph.graphicsItems.ScatterPlotItem._USE_QRECT = param['_USE_QRECT']
     item = pg.ScatterPlotItem(pxMode=param['pxMode'], **getData())
     item.opts['useCache'] = param['useCache']
@@ -122,7 +124,7 @@ def update():
 mkDataAndItem()
 for name in ['count', 'size']:
     param.child(name).sigValueChanged.connect(mkDataAndItem)
-for name in ['_USE_QRECT', 'useCache', 'pxMode', 'randomize']:
+for name in ['_USE_PXFRAGS', '_USE_QRECT', 'useCache', 'pxMode', 'randomize']:
     param.child(name).sigValueChanged.connect(mkItem)
 param.child('paused').sigValueChanged.connect(lambda _, v: timer.stop() if v else timer.start())
 timer.timeout.connect(update)