"--max", "<%= node[:tile][:styles].collect { |n,d| d[:max_zoom] }.max %>"
]
-Dir.glob("/var/lib/replicate/expire-queue/changes-*.gz").each do |f|
+Dir.glob("/var/lib/replicate/expire-queue/changes-*.gz").sort.each do |f|
system("/usr/local/bin/expire-tiles-single", *args, f) && File::unlink(f)
end