diff --git a/meta-digi-arm/conf/machine/include/ccimx6.inc b/meta-digi-arm/conf/machine/include/ccimx6.inc
index 403b38dd0..90cfacf0f 100644
--- a/meta-digi-arm/conf/machine/include/ccimx6.inc
+++ b/meta-digi-arm/conf/machine/include/ccimx6.inc
@@ -38,7 +38,7 @@ MACHINE_DISTRO_FEATURES_REMOVE = "vulkan"
 
 # SWUpdate sw-description configuration
 BOOTFS_EXT ?= ".boot.vfat"
-ROOTFS_EXT ?= ".ext4.gz"
+ROOTFS_EXT ?= '${@bb.utils.contains("IMAGE_FEATURES", "read-only-rootfs", ".squashfs", ".ext4.gz", d)}'
 
 BOOT_DEV_NAME ?= "/dev/mmcblk0p1"
 ROOTFS_DEV_NAME ?= "/dev/mmcblk0p3"
diff --git a/meta-digi-arm/conf/machine/include/ccimx8m.inc b/meta-digi-arm/conf/machine/include/ccimx8m.inc
index 99bc0fd59..ce88fff5e 100644
--- a/meta-digi-arm/conf/machine/include/ccimx8m.inc
+++ b/meta-digi-arm/conf/machine/include/ccimx8m.inc
@@ -56,7 +56,7 @@ TRUSTFENCE_SIGN_MODE = "HAB"
 
 # SWUpdate sw-description configuration
 BOOTFS_EXT ?= ".boot.vfat"
-ROOTFS_EXT ?= ".ext4.gz"
+ROOTFS_EXT ?= '${@bb.utils.contains("IMAGE_FEATURES", "read-only-rootfs", ".squashfs", ".ext4.gz", d)}'
 
 BOOT_DEV_NAME ?= "/dev/mmcblk0p1"
 ROOTFS_DEV_NAME ?= "/dev/mmcblk0p3"
diff --git a/meta-digi-arm/conf/machine/include/ccimx8x.inc b/meta-digi-arm/conf/machine/include/ccimx8x.inc
index 58f80e01d..e48438e53 100644
--- a/meta-digi-arm/conf/machine/include/ccimx8x.inc
+++ b/meta-digi-arm/conf/machine/include/ccimx8x.inc
@@ -72,7 +72,7 @@ TRUSTFENCE_SIGN_MODE = "AHAB"
 
 # SWUpdate sw-description configuration
 BOOTFS_EXT ?= ".boot.vfat"
-ROOTFS_EXT ?= ".ext4.gz"
+ROOTFS_EXT ?= '${@bb.utils.contains("IMAGE_FEATURES", "read-only-rootfs", ".squashfs", ".ext4.gz", d)}'
 
 BOOT_DEV_NAME ?= "/dev/mmcblk0p1"
 ROOTFS_DEV_NAME ?= "/dev/mmcblk0p3"
diff --git a/meta-digi-arm/conf/machine/include/ccimx93.inc b/meta-digi-arm/conf/machine/include/ccimx93.inc
index 4fdc97e6f..743645367 100644
--- a/meta-digi-arm/conf/machine/include/ccimx93.inc
+++ b/meta-digi-arm/conf/machine/include/ccimx93.inc
@@ -66,7 +66,7 @@ MACHINE_DISTRO_FEATURES_REMOVE = "vulkan"
 
 # SWUpdate sw-description configuration
 BOOTFS_EXT ?= ".boot.vfat"
-ROOTFS_EXT ?= ".ext4.gz"
+ROOTFS_EXT ?= '${@bb.utils.contains("IMAGE_FEATURES", "read-only-rootfs", ".squashfs", ".ext4.gz", d)}'
 
 BOOT_DEV_NAME ?= "/dev/mmcblk0p1"
 ROOTFS_DEV_NAME ?= "/dev/mmcblk0p3"