diff --git a/code/thinkdsp.py b/code/thinkdsp.py
index 158f6430..55d7b9cd 100644
--- a/code/thinkdsp.py
+++ b/code/thinkdsp.py
@@ -23,7 +23,7 @@
 
 try:
     from IPython.display import Audio
-except:
+except ImportError:
     warnings.warn(
         "Can't import Audio from IPython.display; " "Wave.make_audio() will not work."
     )