1 files changed, 1 insertions, 1 deletions

diff --git a/meta/classes/image_types.bbclass b/meta/classes/image_types.bbclass
index a7fffbce06..1ce8334e3a 100644
--- a/meta/classes/image_types.bbclass
+++ b/meta/classes/image_types.bbclass
@@ -184,7 +184,7 @@ IMAGE_CMD_ubi () {
 
 IMAGE_CMD_ubifs = "mkfs.ubifs -r ${IMAGE_ROOTFS} -o ${IMGDEPLOYDIR}/${IMAGE_NAME}${IMAGE_NAME_SUFFIX}.ubifs ${MKUBIFS_ARGS}"
 
-WKS_FILE ?= "${IMAGE_BASENAME}.${MACHINE}.wks"
+WKS_FILE ??= "${IMAGE_BASENAME}.${MACHINE}.wks"
 WKS_FILES ?= "${WKS_FILE} ${IMAGE_BASENAME}.wks"
 WKS_SEARCH_PATH ?= "${THISDIR}:${@':'.join('%s/scripts/lib/wic/canned-wks' % l for l in '${BBPATH}:${COREBASE}'.split(':'))}"
 WKS_FULL_PATH = "${@wks_search('${WKS_FILES}'.split(), '${WKS_SEARCH_PATH}') or ''}"