diff --git a/contrib/block_time.pl b/contrib/block_time.pl
index cb11ed239..9e980ea29 100755
--- a/contrib/block_time.pl
+++ b/contrib/block_time.pl
@@ -1,4 +1,4 @@
-#!/usr/bin/perl
+#!/usr/bin/env perl
 # Copyright (c) 2016-2022 The Hush developers
 # Distributed under the GPLv3 software license, see the accompanying
 # file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html