diff --git a/sh/util.sh b/sh/util.sh
index 05eb5d2..5fb3178 100644
--- a/sh/util.sh
+++ b/sh/util.sh
@@ -13,10 +13,10 @@ not() {
 }
 
 read_passphrase() {
-	read_secret "PassPhrase: "
+	sh_read_secret "PassPhrase: "
 }
 
-read_secret() {
+sh_read_secret() {
 	local prompt="${1}"
 	local secret
 	printf "%s" "${prompt}" 1>&2