diff --git a/test/conversion b/test/conversion
index 9a780e4c1..2b5b20294 100755
--- a/test/conversion
+++ b/test/conversion
@@ -8,6 +8,6 @@ if [ "$1" = "-v" ]; then
 fi
 echo
 printf "Feature  %5d\n" $(ls feature.*.t | wc -l)
-printf "Bug      %5d\n" $(ls {tw-,bug.}*.t | wc -l)
+printf "Bug      %5d\n" $(ls tw-*.t bug.*.t | wc -l)
 echo
 printf "Total:   %5d\n" $(ls *.t | wc -l)