Index: /locker/sbin/build-update
===================================================================
--- /locker/sbin/build-update	(revision 1051)
+++ /locker/sbin/build-update	(revision 1052)
@@ -135,5 +135,5 @@
 patch -stN --no-backup-if-mismatch -p2 <"$patchdir/update.diff" || aiee "patch did not apply"
 xargs rm -f <"$patchdir/files.delete" || aiee "Failed to remove files"
-tar -xzf "$patchdir/newfiles.tar.gz" || aiee "Failed to extract new files"
+/afs/athena.mit.edu/contrib/scripts/bin/gtar -xzf "$patchdir/newfiles.tar.gz" || aiee "Failed to extract new files"
 [ -e "$patchdir/extra/postpatch.sh" ] && . "$patchdir/extra/postpatch.sh"
 (
