diff --git a/share/examples/bhyve/vmrun.sh b/share/examples/bhyve/vmrun.sh
index c5f8006b27d2..7deb4b361ffd 100755
--- a/share/examples/bhyve/vmrun.sh
+++ b/share/examples/bhyve/vmrun.sh
@@ -46,7 +46,7 @@ errmsg() {
 usage() {
 	local msg=$1
 
-	echo "Usage: vmrun.sh [-aEhiTv] [-c <CPUs>] [-C <console>] [-d <disk file>]"
+	echo "Usage: vmrun.sh [-aAEhiTv] [-c <CPUs>] [-C <console>] [-d <disk file>]"
 	echo "                [-e <name=value>] [-f <path of firmware>] [-F <size>]"
 	echo "                [-g <gdbport> ] [-H <directory>]"
 	echo "                [-I <location of installation iso>] [-l <loader>]"
@@ -55,6 +55,7 @@ usage() {
 	echo ""
 	echo "       -h: display this help message"
 	echo "       -a: force memory mapped local APIC access"
+	echo "       -A: use AHCI disk emulation instead of virtio"
 	echo "       -c: number of virtual cpus (default is ${DEFAULT_CPUS})"
 	echo "       -C: console device (default is ${DEFAULT_CONSOLE})"
 	echo "       -d: virtio diskdev file (default is ${DEFAULT_VIRTIO_DISK})"
@@ -99,6 +100,7 @@ console=${DEFAULT_CONSOLE}
 cpus=${DEFAULT_CPUS}
 tap_total=0
 disk_total=0
+disk_emulation="virtio-blk"
 gdbport=0
 loader_opt=""
 bhyverun_opt="-H -A -P"
@@ -113,11 +115,14 @@ vncport=5900
 fbsize="w=1024,h=768"
 tablet=""
 
-while getopts ac:C:d:e:Ef:F:g:hH:iI:l:m:p:P:t:Tuvw c ; do
+while getopts aAc:C:d:e:Ef:F:g:hH:iI:l:m:p:P:t:Tuvw c ; do
 	case $c in
 	a)
 		bhyverun_opt="${bhyverun_opt} -a"
 		;;
+	A)
+		disk_emulation="ahci-hd"
+		;;
 	c)
 		cpus=${OPTARG}
 		;;
@@ -316,7 +321,7 @@ while [ 1 ]; do
 	    eval "disk=\$disk_dev${i}"
 	    eval "opts=\$disk_opts${i}"
 	    make_and_check_diskdev "${disk}"
-	    devargs="$devargs -s $nextslot:0,virtio-blk,${disk}${opts} "
+	    devargs="$devargs -s $nextslot:0,$disk_emulation,${disk}${opts} "
 	    nextslot=$(($nextslot + 1))
 	    i=$(($i + 1))
 	done