diff --git a/examples/get_pitch_and_formants.py b/examples/get_pitch_and_formants.py
index f7ac78f..adac7d2 100644
--- a/examples/get_pitch_and_formants.py
+++ b/examples/get_pitch_and_formants.py
@@ -74,7 +74,7 @@
     450,
     forceRegenerate=False,
 )
-tg = textgrid.openTextgrid(join(tgPath, "mary.TextGrid"))
+tg = textgrid.openTextgrid(join(tgPath, "mary.TextGrid"), False)
 tier = tg.getTier("phone")
 filteredData = tier.getValuesInIntervals(maryPitchData)