diff --git a/meta/classes/image-live.bbclass b/meta/classes/image-live.bbclass
index fa7a131..23e4a5c 100644
--- a/meta/classes/image-live.bbclass
+++ b/meta/classes/image-live.bbclass
@@ -2,7 +2,7 @@
 AUTO_SYSLINUXCFG = "1"
 INITRD_IMAGE ?= "core-image-minimal-initramfs"
 INITRD ?= "${DEPLOY_DIR_IMAGE}/${INITRD_IMAGE}-${MACHINE}.cpio.gz"
-SYSLINUX_ROOT = "root=/dev/ram0"
+SYSLINUX_ROOT ?= "root=/dev/ram0"
 SYSLINUX_TIMEOUT ?= "50"
 SYSLINUX_LABELS ?= "boot install"
 LABELS_append = " ${SYSLINUX_LABELS} "