Use "#!/usr/bin/env perl" as shebang line.
diff --git a/scripts/config.pl b/scripts/config.pl
index 5bf2785..468aeb9 100755
--- a/scripts/config.pl
+++ b/scripts/config.pl
@@ -1,4 +1,4 @@
-#!/usr/bin/perl
+#!/usr/bin/env perl
#
# This file is part of mbed TLS (https://tls.mbed.org)
#
diff --git a/scripts/generate_errors.pl b/scripts/generate_errors.pl
index ac0fbff..4f0ad31 100755
--- a/scripts/generate_errors.pl
+++ b/scripts/generate_errors.pl
@@ -1,4 +1,4 @@
-#!/usr/bin/perl
+#!/usr/bin/env perl
# Generate error.c
#
diff --git a/scripts/generate_features.pl b/scripts/generate_features.pl
index 2aa695c..1bd82ca 100755
--- a/scripts/generate_features.pl
+++ b/scripts/generate_features.pl
@@ -1,4 +1,4 @@
-#!/usr/bin/perl
+#!/usr/bin/env perl
#
use strict;
diff --git a/scripts/generate_visualc_files.pl b/scripts/generate_visualc_files.pl
index 8d36653..5e3b9b5 100755
--- a/scripts/generate_visualc_files.pl
+++ b/scripts/generate_visualc_files.pl
@@ -1,4 +1,4 @@
-#!/usr/bin/perl
+#!/usr/bin/env perl
# Generate files for MS Visual Studio:
# - for VS6: main project (library) file, individual app files, workspace
diff --git a/scripts/massif_max.pl b/scripts/massif_max.pl
index d1ce4ca..4e3342a 100755
--- a/scripts/massif_max.pl
+++ b/scripts/massif_max.pl
@@ -1,4 +1,4 @@
-#!/usr/bin/perl
+#!/usr/bin/env perl
# Parse a massif.out.xxx file and output peak total memory usage
diff --git a/scripts/rename.pl b/scripts/rename.pl
index c29519e..fb42809 100755
--- a/scripts/rename.pl
+++ b/scripts/rename.pl
@@ -1,4 +1,4 @@
-#!/usr/bin/perl
+#!/usr/bin/env perl
#
# This file is part of mbed TLS (https://tls.mbed.org)
#
