1 files changed, 3 insertions, 1 deletions
diff --git a/duplicates.cgi b/duplicates.cgi
index beac9c37e..c1bf036be 100755
--- a/duplicates.cgi
+++ b/duplicates.cgi
@@ -1,4 +1,4 @@
-#!/usr/bin/perl -wT
+#!/usr/bin/perl -T
 # This Source Code Form is subject to the terms of the Mozilla Public
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
@@ -8,6 +8,8 @@
 
 use 5.10.1;
 use strict;
+use warnings;
+
 use lib qw(. lib);
 
 use Bugzilla;