diff --git a/meta/classes/useradd_base.bbclass b/meta/classes/useradd_base.bbclass
index f1a7a9695d..5e1c699118 100644
--- a/meta/classes/useradd_base.bbclass
+++ b/meta/classes/useradd_base.bbclass
@@ -160,7 +160,7 @@ perform_passwd_expire () {
 	local username=`echo "$opts" | awk '{ print $NF }'`
 	local user_exists="`grep "^$username:" $rootdir/etc/passwd || true`"
 	if test "x$user_exists" != "x"; then
-		eval flock -x $rootdir${sysconfdir} -c \"$PSEUDO sed -follow-symlinks -i \''s/^\('$username':[^:]*\):[^:]*:/\1:0:/'\' $rootdir/etc/shadow \" || true
+		eval flock -x $rootdir${sysconfdir} -c \"$PSEUDO sed --follow-symlinks -i \''s/^\('$username':[^:]*\):[^:]*:/\1:0:/'\' $rootdir/etc/shadow \" || true
 		local passwd_lastchanged="`grep "^$username:" $rootdir/etc/shadow | cut -d: -f3`"
 		if test "x$passwd_lastchanged" != "x0"; then
 			bbfatal "${PN}: passwd --expire operation did not succeed."