diff --git a/perl/maf_annotation/annotate_single_maf.pl b/perl/maf_annotation/annotate_single_maf.pl
index eaf29f406..e9364e3e3 100755
--- a/perl/maf_annotation/annotate_single_maf.pl
+++ b/perl/maf_annotation/annotate_single_maf.pl
@@ -1,4 +1,5 @@
-#!/util/bin/perl -w
+#!/usr/bin/env perl
+use warnings;
 use strict;
 
 if (scalar(@ARGV) != 1) {
diff --git a/perl/maf_annotation/vcf_to_germline_maflite.pl b/perl/maf_annotation/vcf_to_germline_maflite.pl
index fadd98753..ab8ea4f09 100755
--- a/perl/maf_annotation/vcf_to_germline_maflite.pl
+++ b/perl/maf_annotation/vcf_to_germline_maflite.pl
@@ -1,4 +1,4 @@
-#!/util/bin/perl
+#!/usr/bin/env perl
 $|++;
 use strict;