Index: /locker/sbin/build-update
===================================================================
--- /locker/sbin/build-update	(revision 1050)
+++ /locker/sbin/build-update	(revision 1051)
@@ -101,5 +101,5 @@
 
 patchdir=$(dirname "$0")
-lockername="$1${1:-$USER}"
+lockername="${1:-$USER}"
 
 >.scripts-security-upd-lock || die "error: Unable to obtain update lock."