diff --git a/qualfa2fq.pl b/qualfa2fq.pl
index 31e19745..2fcb2806 100755
--- a/qualfa2fq.pl
+++ b/qualfa2fq.pl
@@ -1,4 +1,4 @@
-#!/usr/bin/perl -w
+#!/usr/bin/env perl
 
 use strict;
 use warnings;
diff --git a/xa2multi.pl b/xa2multi.pl
index 2409c29c..fff50fd3 100755
--- a/xa2multi.pl
+++ b/xa2multi.pl
@@ -1,4 +1,4 @@
-#!/usr/bin/perl -w
+#!/usr/bin/env perl
 
 use strict;
 use warnings;