1 files changed, 3 insertions, 3 deletions
diff --git a/Master/tlpkg/tlperl/lib/URI/urn/oid.pm b/Master/tlpkg/tlperl/lib/URI/urn/oid.pm
index 301b2bcd834..cfe7248a315 100644
--- a/Master/tlpkg/tlperl/lib/URI/urn/oid.pm
+++ b/Master/tlpkg/tlperl/lib/URI/urn/oid.pm
@@ -1,9 +1,9 @@
 package URI::urn::oid;  # RFC 2061
 
-require URI::urn;
-@ISA=qw(URI::urn);
-
 use strict;
+use warnings;
+
+use parent 'URI::urn';
 
 sub oid {
     my $self = shift;