diff -u -r Math-Prime-Util-GMP-0.51_orig/examples/bench-mp-psrp.pl Math-Prime-Util-GMP-0.51/examples/bench-mp-psrp.pl
--- Math-Prime-Util-GMP-0.51_orig/examples/bench-mp-psrp.pl	2014-06-19 08:11:35.000000000 +0200
+++ Math-Prime-Util-GMP-0.51/examples/bench-mp-psrp.pl	2019-08-30 20:22:54.742539783 +0200
@@ -1,4 +1,4 @@
-#!/usr/bin/env perl
+#!/usr/bin/perl
 use strict;
 use warnings;
 use Math::Prime::Util;
diff -u -r Math-Prime-Util-GMP-0.51_orig/examples/convert-gmpecpp-cert.pl Math-Prime-Util-GMP-0.51/examples/convert-gmpecpp-cert.pl
--- Math-Prime-Util-GMP-0.51_orig/examples/convert-gmpecpp-cert.pl	2013-11-08 21:28:43.000000000 +0100
+++ Math-Prime-Util-GMP-0.51/examples/convert-gmpecpp-cert.pl	2019-08-30 20:22:54.746539811 +0200
@@ -1,4 +1,4 @@
-#!/usr/bin/env perl
+#!/usr/bin/perl
 use warnings;
 use strict;
 use Math::BigInt try=>"GMP,Pari";
diff -u -r Math-Prime-Util-GMP-0.51_orig/examples/convert-primo-cert.pl Math-Prime-Util-GMP-0.51/examples/convert-primo-cert.pl
--- Math-Prime-Util-GMP-0.51_orig/examples/convert-primo-cert.pl	2013-11-08 21:28:43.000000000 +0100
+++ Math-Prime-Util-GMP-0.51/examples/convert-primo-cert.pl	2019-08-30 20:22:54.746539811 +0200
@@ -1,4 +1,4 @@
-#!/usr/bin/env perl
+#!/usr/bin/perl
 use warnings;
 use strict;
 use Math::BigInt try=>"GMP,Pari";
diff -u -r Math-Prime-Util-GMP-0.51_orig/examples/verify-cert.pl Math-Prime-Util-GMP-0.51/examples/verify-cert.pl
--- Math-Prime-Util-GMP-0.51_orig/examples/verify-cert.pl	2013-11-08 21:28:43.000000000 +0100
+++ Math-Prime-Util-GMP-0.51/examples/verify-cert.pl	2019-08-30 20:22:54.746539811 +0200
@@ -1,4 +1,4 @@
-#!/usr/bin/env perl
+#!/usr/bin/perl
 use warnings;
 use strict;
 use Math::BigInt lib=>"GMP,Pari";
diff -u -r Math-Prime-Util-GMP-0.51_orig/xt/bench-random-bytes.pl Math-Prime-Util-GMP-0.51/xt/bench-random-bytes.pl
--- Math-Prime-Util-GMP-0.51_orig/xt/bench-random-bytes.pl	2017-03-29 23:56:55.000000000 +0200
+++ Math-Prime-Util-GMP-0.51/xt/bench-random-bytes.pl	2019-08-30 20:22:54.746539811 +0200
@@ -1,4 +1,4 @@
-#!/usr/bin/env perl
+#!/usr/bin/perl
 use strict;
 use warnings;
 
diff -u -r Math-Prime-Util-GMP-0.51_orig/xt/calculate-mr-probs.pl Math-Prime-Util-GMP-0.51/xt/calculate-mr-probs.pl
--- Math-Prime-Util-GMP-0.51_orig/xt/calculate-mr-probs.pl	2013-11-08 21:28:43.000000000 +0100
+++ Math-Prime-Util-GMP-0.51/xt/calculate-mr-probs.pl	2019-08-30 20:22:54.746539811 +0200
@@ -1,4 +1,4 @@
-#!/usr/bin/env perl
+#!/usr/bin/perl
 use warnings;
 use strict;
 use List::Util qw/min max/;
diff -u -r Math-Prime-Util-GMP-0.51_orig/xt/llr.pl Math-Prime-Util-GMP-0.51/xt/llr.pl
--- Math-Prime-Util-GMP-0.51_orig/xt/llr.pl	2016-10-10 05:19:59.000000000 +0200
+++ Math-Prime-Util-GMP-0.51/xt/llr.pl	2019-08-30 20:22:54.746539811 +0200
@@ -1,4 +1,4 @@
-#!/usr/bin/env perl
+#!/usr/bin/perl
 use warnings;
 use strict;
 use Math::Prime::Util::GMP ":all";