diff --git a/bin/cros_make_image_bootable b/bin/cros_make_image_bootable
index d4eb9c81db..ef58dba8c8 100755
--- a/bin/cros_make_image_bootable
+++ b/bin/cros_make_image_bootable
@@ -116,7 +116,7 @@ DEFINE_boolean use_dev_keys ${FLAGS_FALSE} \
   "Use developer keys for signing. (Default: false)"
 
 # TODO(clchiou): Remove this flag after arm verified boot is stable
-DEFINE_boolean crosbug12352_arm_kernel_signing ${FLAGS_FALSE} \
+DEFINE_boolean crosbug12352_arm_kernel_signing ${FLAGS_TRUE} \
   "Sign kernel partition for ARM images (temporary hack)."
 
 # TODO(sosa):  Remove once known images no longer use this in their config.
diff --git a/build_image b/build_image
index cb2f173f10..973407ef93 100755
--- a/build_image
+++ b/build_image
@@ -91,7 +91,7 @@ DEFINE_string usb_disk /dev/sdb3 \
   "Path syslinux should use to do a usb boot. Default: /dev/sdb3"
 
 # TODO(clchiou): Remove this flag after arm verified boot is stable
-DEFINE_boolean crosbug12352_arm_kernel_signing ${FLAGS_FALSE} \
+DEFINE_boolean crosbug12352_arm_kernel_signing ${FLAGS_TRUE} \
   "Sign kernel partition for ARM images (temporary hack)."
 
 DEFINE_boolean enable_rootfs_verification ${FLAGS_TRUE} \
diff --git a/build_kernel_image.sh b/build_kernel_image.sh
index 736d72a8b6..691906dce8 100755
--- a/build_kernel_image.sh
+++ b/build_kernel_image.sh
@@ -70,7 +70,7 @@ DEFINE_string verity_hash_alg "sha1" \
   "Cryptographic hash algorithm used for dm-verity. (Default: sha1)"
 
 # TODO(clchiou): Remove this flag after arm verified boot is stable
-DEFINE_boolean crosbug12352_arm_kernel_signing ${FLAGS_FALSE} \
+DEFINE_boolean crosbug12352_arm_kernel_signing ${FLAGS_TRUE} \
   "Sign kernel partition for ARM images (temporary hack)."
 
 # Parse flags
diff --git a/mod_image_for_recovery.sh b/mod_image_for_recovery.sh
index 1f05010dd5..d3f5d35be2 100755
--- a/mod_image_for_recovery.sh
+++ b/mod_image_for_recovery.sh
@@ -82,7 +82,7 @@ DEFINE_string keys_dir "/usr/share/vboot/devkeys" \
   "Directory containing the signing keys."
 
 # TODO(clchiou): Remove this flag after arm verified boot is stable
-DEFINE_boolean crosbug12352_arm_kernel_signing ${FLAGS_FALSE} \
+DEFINE_boolean crosbug12352_arm_kernel_signing ${FLAGS_TRUE} \
   "Sign kernel partition for ARM images (temporary hack)."
 
 # Parse command line