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-rwxr-xr-xscripts/image_signing/make_dev_ssd.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/scripts/image_signing/make_dev_ssd.sh b/scripts/image_signing/make_dev_ssd.sh
index 1fdbfaf7..ed102a6b 100755
--- a/scripts/image_signing/make_dev_ssd.sh
+++ b/scripts/image_signing/make_dev_ssd.sh
@@ -27,7 +27,7 @@ DEFAULT_BACKUP_FOLDER="${DEFAULT_BACKUP_FOLDER}/cros_sign_backups"
# TODO(hungte) The default image selection is no longer a SSD, so the script
# works more like "make_dev_image". We may change the file name in future.
ROOTDEV="$(rootdev -s 2>/dev/null)"
-ROOTDEV_PARTITION="$(echo $ROOTDEV | sed -n 's/.*\([0-9][0-9]*\)$/\1/p')"
+ROOTDEV_PARTITION="$(echo $ROOTDEV | sed -n 's/.*[^0-9]\([0-9][0-9]*\)$/\1/p')"
ROOTDEV_DISK="$(rootdev -s -d 2>/dev/null)"
ROOTDEV_KERNEL="$((ROOTDEV_PARTITION - 1))"