diff --git a/meta/classes/imagetypes.bbclass b/meta/classes/imagetypes.bbclass
index 0cff440f..7d193d2e 100644
--- a/meta/classes/imagetypes.bbclass
+++ b/meta/classes/imagetypes.bbclass
@@ -98,5 +98,5 @@ IMAGE_CONVERSIONS = "gz xz"
 CONVERSION_CMD:gz = "${SUDO_CHROOT} sh -c 'gzip -f -9 -n -c --rsyncable ${IMAGE_FILE_CHROOT} > ${IMAGE_FILE_CHROOT}.gz'"
 CONVERSION_DEPS:gz = "gzip"
 
-CONVERSION_CMD:xz = "${SUDO_CHROOT} sh -c 'xz -c ${XZ_OPTIONS} ${IMAGE_FILE_CHROOT} > ${IMAGE_FILE_CHROOT}.xz'"
+CONVERSION_CMD:xz = "${SUDO_CHROOT} sh -c 'xz -c ${XZ_DEFAULTS} ${IMAGE_FILE_CHROOT} > ${IMAGE_FILE_CHROOT}.xz'"
 CONVERSION_DEPS:xz = "xz-utils"