1 files changed, 1 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"