diff --git a/kas/image/Kconfig b/kas/image/Kconfig
index d602c369..8193efc5 100644
--- a/kas/image/Kconfig
+++ b/kas/image/Kconfig
@@ -87,9 +87,9 @@ config INSTALLER_TARGET_DEVICE
 	string "Target device to deploy"
 	default "/dev/sda"
 	help
-	  Device to deploy the image onto.
+          Deploy image to this target device. Accepts comma/colon-separated multiple devices; installs on the first available.
 	  Leave this empty to get prompted during installation
-	  Examples: /dev/sda, /dev/nvme0n1
+	  Examples: /dev/sda, /dev/nvme0n1, /dev/sda:/dev/nvme0n1
 
 choice
 	prompt "Overwrite handling"
diff --git a/meta-isar/recipes-installer/deploy-image/files/usr/lib/deploy-image-wic/handle-config.sh b/meta-isar/recipes-installer/deploy-image/files/usr/lib/deploy-image-wic/handle-config.sh
index af37150e..26b2966e 100644
--- a/meta-isar/recipes-installer/deploy-image/files/usr/lib/deploy-image-wic/handle-config.sh
+++ b/meta-isar/recipes-installer/deploy-image/files/usr/lib/deploy-image-wic/handle-config.sh
@@ -31,6 +31,14 @@ for x in $(cat /proc/cmdline); do
         ;;
         installer.target.dev=*)
             installer_target_dev=${x#installer.target.dev=}
+            installer_target_dev_list=$(echo "$installer_target_dev" | sed 's/[,:]/ /g')
+            boot_device=$(lsblk -no PKNAME,MOUNTPOINT | grep -E '/boot| /$' | awk '{print "/dev/"$1}' | uniq)
+            for dev in ${installer_target_dev_list}; do
+                if [ -b "${dev}" ] && [ "${dev}" != "${boot_device}" ]; then
+                    installer_target_dev=${dev}
+                    break
+                fi
+            done
             installer_unattended=true
         ;;
         installer.target.overwrite*)