diff --git a/scripts/subinstallers/passwd.sh b/scripts/subinstallers/passwd.sh
index f110ffa..505599f 100755
--- a/scripts/subinstallers/passwd.sh
+++ b/scripts/subinstallers/passwd.sh
@@ -7,7 +7,7 @@ while [ -z "${MISTBORN_DEFAULT_PASSWORD}" ]; do
     read -p "(Mistborn) Set default admin password: " -s MISTBORN_DEFAULT_PASSWORD
     echo
 
-    if [[ $s =~ ^[A-Za-z_]+$ ]]; then
+    if [[ ${MISTBORN_DEFAULT_PASSWORD} =~ ^[A-Za-z_]+$ ]]; then
     # it matches
         echo "(Mistborn) Password is accepted"
     else