diff --git a/beginner_source/audio_preprocessing_tutorial.py b/beginner_source/audio_preprocessing_tutorial.py
index 6f9da4c816..d83a428f75 100644
--- a/beginner_source/audio_preprocessing_tutorial.py
+++ b/beginner_source/audio_preprocessing_tutorial.py
@@ -1537,13 +1537,13 @@ def benchmark_resample(
 
 rate = 1.2
 spec_ = strech(spec, rate)
-plot_spectrogram(F.complex_norm(spec_[0]), title=f"Stretched x{rate}", aspect='equal', xmax=304)
+plot_spectrogram(spec_[0].abs(), title=f"Stretched x{rate}", aspect='equal', xmax=304)
 
-plot_spectrogram(F.complex_norm(spec[0]), title="Original", aspect='equal', xmax=304)
+plot_spectrogram(spec[0].abs(), title="Original", aspect='equal', xmax=304)
 
 rate = 0.9
 spec_ = strech(spec, rate)
-plot_spectrogram(F.complex_norm(spec_[0]), title=f"Stretched x{rate}", aspect='equal', xmax=304)
+plot_spectrogram(spec_[0].abs(), title=f"Stretched x{rate}", aspect='equal', xmax=304)
 
 
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