diff --git a/bin/cros_make_image_bootable b/bin/cros_make_image_bootable
index a7a58b9ac6..01c41fab52 100755
--- a/bin/cros_make_image_bootable
+++ b/bin/cros_make_image_bootable
@@ -80,6 +80,9 @@ DEFINE_integer verity_max_ios 1024 \
 DEFINE_string verity_algorithm "sha1" \
   "Cryptographic hash algorithm used for kernel vboot."
 
+DEFINE_string arm_extra_bootargs "" \
+  "Additional command line options to pass to the ARM kernel."
+
 DEFINE_string keys_dir "/usr/share/vboot/devkeys" \
   "Directory containing the signing keys."
 
diff --git a/build_image b/build_image
index 4a19a6e004..a1b162400c 100755
--- a/build_image
+++ b/build_image
@@ -304,6 +304,7 @@ create_boot_desc() {
   --verity_algorithm="${FLAGS_verity_algorithm}"
   --keys_dir="${DEVKEYSDIR}"
   --usb_disk="${FLAGS_usb_disk}"
+  --arm_extra_bootargs="${FLAGS_arm_extra_bootargs}"
   --nocleanup_dirs
   ${enable_rootfs_verification_flag}
 EOF