diff --git a/meta-phosphor/classes/obmc-phosphor-debug-tarball.bbclass b/meta-phosphor/classes/obmc-phosphor-debug-tarball.bbclass
index d4088ce..9262a94 100644
--- a/meta-phosphor/classes/obmc-phosphor-debug-tarball.bbclass
+++ b/meta-phosphor/classes/obmc-phosphor-debug-tarball.bbclass
@@ -7,13 +7,13 @@
 
 LICENSE = "Apache-2.0"
 
-IMAGE_INSTALL_append = " busybox packagegroup-obmc-phosphor-debugtools perf "
+IMAGE_INSTALL:append = " busybox packagegroup-obmc-phosphor-debugtools perf "
 
 # Override from image_types.bbclass to restrict tarball to /usr tree.
-IMAGE_CMD_tar = "${IMAGE_CMD_TAR} -cvf ${IMGDEPLOYDIR}/${IMAGE_NAME}${IMAGE_NAME_SUFFIX}.tar -C ${IMAGE_ROOTFS}/usr ."
+IMAGE_CMD:tar = "${IMAGE_CMD_TAR} -cvf ${IMGDEPLOYDIR}/${IMAGE_NAME}${IMAGE_NAME_SUFFIX}.tar -C ${IMAGE_ROOTFS}/usr ."
 
 # Remove packages installed by 'extrausers'.
-IMAGE_INSTALL_remove = "base-passwd shadow"
+IMAGE_INSTALL:remove = "base-passwd shadow"
 EXTRA_USERS_PARAMS = ""
 
 # Remove extra packages defaulted by image.bbclass.