diff --git a/SC2045.md b/SC2045.md
index aafb233..c184c9f 100644
--- a/SC2045.md
+++ b/SC2045.md
@@ -14,7 +14,7 @@ done
 ```sh
 for f in *.wav
 do
-  [[ -e "$f" ]] || break  # handle the case of no *.wav files
+  [[ "$f" == '*.wav' && -e "$f" ]] || break  # handle the case of no *.wav files
   echo "$f"
 done
 ```