Use "#!/usr/bin/env perl" as shebang line.
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;