Index: ports-mgmt/portlint/src/portlint.pl
===================================================================
--- ports-mgmt/portlint/src/portlint.pl	(revision 425846)
+++ ports-mgmt/portlint/src/portlint.pl	(working copy)
@@ -395,10 +395,10 @@
 		}
 		if (/^TIMESTAMP\s+=\s+(\d+)$/) {
 			my $now = time;
-			if ($_ > $now) {
+			if ($1 > $now) {
 				&perror("FATAL", $file, $., "TIMESTAMP is in the future");
 			} else {
-				if ($now - $_ > 2592000) {
+				if ($now - $1 > 2592000) {
 					&perror("WARN", $file, $., "TIMESTAMP is over 30 days old");
 				}
 			}