1 files changed, 2 insertions, 1 deletions
diff --git a/bin/trace b/bin/trace
index 3cae0a4..34bcd3a 100755
--- a/bin/trace
+++ b/bin/trace
@@ -1,4 +1,4 @@
-#!/usr/bin/perl -w
+#!/usr/bin/env perl
 ##
 # Copyright by The HDF Group.
 # Copyright by the Board of Trustees of the University of Illinois.
@@ -12,6 +12,7 @@
 # help@hdfgroup.org.
 ##
 require 5.003;
+use warnings;
 $Source = "";
 
 ##############################################################################