diff --git a/examples/modules_gallery/qualitymetrics/plot_3_quality_mertics.py b/examples/modules_gallery/qualitymetrics/plot_3_quality_mertics.py
index 986680e798..7b6aae3e30 100644
--- a/examples/modules_gallery/qualitymetrics/plot_3_quality_mertics.py
+++ b/examples/modules_gallery/qualitymetrics/plot_3_quality_mertics.py
@@ -30,7 +30,7 @@
 # because it contains a reference to the "Recording" and the "Sorting" objects:
 
 folder = 'waveforms_mearec'
-we = si.extract_waveforms(recording, sorting, folder, sparsity=False,
+we = si.extract_waveforms(recording, sorting, folder, sparse=False,
                           ms_before=1, ms_after=2., max_spikes_per_unit=500,
                           n_jobs=1, chunk_durations='1s')
 print(we)