diff --git a/zipl/dracut/zipl_helper.prepare-ngdump b/zipl/dracut/zipl_helper.prepare-ngdump
index a69da1e6..728bd167 100755
--- a/zipl/dracut/zipl_helper.prepare-ngdump
+++ b/zipl/dracut/zipl_helper.prepare-ngdump
@@ -78,11 +78,24 @@ function create_initrd()
 
 [ $# -gt 1 ] || { echo "Usage: $0 <dump partition device> <dryrun>" >&2; exit 1; }
 
+dasd=
 device=$(readlink -f $1)
 dryrun=$2
 type=$(lsblk -dno type "$device")
 [ "$type" != "part" ] && { echo "$device with type $type is not a partition." >&2; exit 1; }
 
+case "${device##*/}" in
+	dasd*)
+		dasd=$(dasdview -i "$1"|sed -n 's/busid\s*:\s*\([0-9a-fA-F.]\)/dasd=\1/p')
+		;;
+	nvme*)
+		;;
+	*)
+		echo "Unsupported device $device." >&2
+		exit 1
+		;;
+esac
+
 disk_path=$(create_dumpfs $device)
 kernel_version=$(get_kernel_version)
 kernel=$(get_kernel_image "$kernel_version")
@@ -103,6 +116,6 @@ create_initrd "$disk_path" "$kernel_version" "$initrd"
 
 echo "kernel=$kernel"
 echo "initrd=$initrd"
-echo "cmdline=reset_devices cgroup_disable=memory nokaslr numa=off irqpoll nr_cpus=1"
+echo "cmdline=reset_devices cgroup_disable=memory nokaslr numa=off irqpoll nr_cpus=1 $dasd"
 
 exit 0
diff --git a/zipl/initramfs-tools/zipl_helper.prepare-ngdump b/zipl/initramfs-tools/zipl_helper.prepare-ngdump
index cbcd2228..7d9a8570 100755
--- a/zipl/initramfs-tools/zipl_helper.prepare-ngdump
+++ b/zipl/initramfs-tools/zipl_helper.prepare-ngdump
@@ -55,10 +55,23 @@ function create_initrd()
 
 device=$(readlink -f $1)
 dryrun=$2
+dasd=
 
 type=$(lsblk -dno type "$device")
 [ "$type" != "part" ] && { echo "$device with type $type is not a partition." >&2; exit 1; }
 
+case "${device##*/}" in
+	dasd*)
+		dasd=$(dasdview -i "$1"|sed -n 's/busid\s*:\s*\([0-9a-fA-F.]\)/dasd=\1/p')
+		;;
+	nvme*)
+		;;
+	*)
+		echo "Unsupported device $device." >&2
+		exit 1
+		;;
+esac
+
 disk_path=$(create_dumpfs $device)
 kernel_version=$(get_kernel_version)
 kernel=$(get_kernel_image "$kernel_version")
@@ -79,6 +92,6 @@ create_initrd "$disk_path" "$kernel_version" "$initrd"
 
 echo "kernel=$kernel"
 echo "initrd=$initrd"
-echo "cmdline=reset_devices cgroup_disable=memory nokaslr numa=off irqpoll nr_cpus=1"
+echo "cmdline=reset_devices cgroup_disable=memory nokaslr numa=off irqpoll nr_cpus=1 $dasd"
 
 exit 0