diff -Ndur hdparm-9.43/contrib/ultrabayd hdparm-9.43-fix-bashisms/contrib/ultrabayd
--- hdparm-9.43/contrib/ultrabayd	2000-02-04 22:30:30.000000000 +0200
+++ hdparm-9.43-fix-bashisms/contrib/ultrabayd	2014-11-17 04:17:08.381048316 +0200
@@ -41,7 +41,7 @@
 		END
 
 		if [ "$d_type" != "$o_d_type" ] || [ "$d_id" != "$o_d_id" ]; then
-			echo -n "\07" > /dev/tty1
+			printf "\07" > /dev/tty1
 
 			o_d_type="$d_type"
 			o_d_id="$d_id"