2 files changed, 2 insertions, 1 deletions

diff --git a/classes/sota.bbclass b/classes/sota.bbclass
index 621db24..38d4ce5 100644
--- a/classes/sota.bbclass
+++ b/classes/sota.bbclass
@@ -20,7 +20,7 @@ WKS_FILE_sota ?= "sdimage-sota.wks"
 
 EXTRA_IMAGEDEPENDS_append_sota = " parted-native mtools-native dosfstools-native"
 
-OSTREE_INITRAMFS_FSTYPES ?= "${@oe.utils.ifelse(d.getVar('OSTREE_BOOTLOADER', True) == 'u-boot', 'ext4.gz.u-boot', 'ext4.gz')}"
+OSTREE_INITRAMFS_FSTYPES ??= "${@oe.utils.ifelse(d.getVar('OSTREE_BOOTLOADER', True) == 'u-boot', 'ext4.gz.u-boot', 'ext4.gz')}"
 
 # Please redefine OSTREE_REPO in order to have a persistent OSTree repo
 OSTREE_REPO ?= "${DEPLOY_DIR_IMAGE}/ostree_repo"
diff --git a/classes/sota_qemux86-64.bbclass b/classes/sota_qemux86-64.bbclass
index a5fd6a4..15b2043 100644
--- a/classes/sota_qemux86-64.bbclass
+++ b/classes/sota_qemux86-64.bbclass
@@ -4,6 +4,7 @@ IMAGE_FSTYPES_remove = "wic"
 PREFERRED_PROVIDER_virtual/bootloader_sota = "u-boot"
 UBOOT_MACHINE_sota = "qemu-x86_defconfig"
 OSTREE_BOOTLOADER ?= "u-boot"
+OSTREE_INITRAMFS_FSTYPES ?= "ext4.gz"
 
 OSTREE_KERNEL_ARGS ?= "ramdisk_size=16384 rw rootfstype=ext4 rootwait rootdelay=2 ostree_root=/dev/hda"