Index: tests/16-verify-tx-consistent.test
--- tests/16-verify-tx-consistent.test.orig
+++ tests/16-verify-tx-consistent.test
@@ -19,19 +19,19 @@ trap "rm -f $TMPF.*" 0
 set -e
 
 $MINIMODEM --tx --file $TMPF.1.wav $minimodem_tx_args < "$textfile"
-sum1=$(md5sum -b < $TMPF.1.wav)
+sum1=$(md5 < $TMPF.1.wav)
 echo "$sum1 $TMPF.1.wav"
 
 sleep 1
 
 $MINIMODEM --tx --file $TMPF.2.wav $minimodem_tx_args < "$textfile"
-sum2=$(md5sum -b < $TMPF.2.wav)
+sum2=$(md5 < $TMPF.2.wav)
 echo "$sum2 $TMPF.2.wav"
 
 sleep 1
 
 $MINIMODEM --tx --file $TMPF.3.wav $minimodem_tx_args < "$textfile"
-sum3=$(md5sum -b < $TMPF.3.wav)
+sum3=$(md5 < $TMPF.3.wav)
 echo "$sum3 $TMPF.3.wav"
 
 [ "$sum1" == "$sum2" ] || {