diff --git a/meta-security/meta-integrity/classes/ima-evm-rootfs.bbclass b/meta-security/meta-integrity/classes/ima-evm-rootfs.bbclass
index 0acd6e7..57de2f6 100644
--- a/meta-security/meta-integrity/classes/ima-evm-rootfs.bbclass
+++ b/meta-security/meta-integrity/classes/ima-evm-rootfs.bbclass
@@ -29,7 +29,7 @@
 IMA_EVM_ROOTFS_IVERSION ?= ""
 
 # Avoid re-generating fstab when ima is enabled.
-WIC_CREATE_EXTRA_ARGS_append = "${@bb.utils.contains('DISTRO_FEATURES', 'ima', ' --no-fstab-update', '', d)}"
+WIC_CREATE_EXTRA_ARGS:append = "${@bb.utils.contains('DISTRO_FEATURES', 'ima', ' --no-fstab-update', '', d)}"
 
 ima_evm_sign_rootfs () {
     cd ${IMAGE_ROOTFS}