diff --git a/tools/rrcheck.pl b/tools/rrcheck.pl
index 5e5a983..279bca8 100644
--- a/tools/rrcheck.pl
+++ b/tools/rrcheck.pl
@@ -1,4 +1,4 @@
-#! /bin/perl
+#!/usr/bin/env perl
 ##
 ## Read BGPd logfile and lookup RR's whois database.
 ##
diff --git a/tools/rrlookup.pl b/tools/rrlookup.pl
index 2c14e73..84410e8 100644
--- a/tools/rrlookup.pl
+++ b/tools/rrlookup.pl
@@ -1,4 +1,4 @@
-#! /usr/local/bin/perl
+#!/usr/bin/env perl
 ##
 ## Read BGPd logfile and lookup RR's whois database.
 ##
diff --git a/tools/zc.pl b/tools/zc.pl
index 026e8fe..5307fa3 100755
--- a/tools/zc.pl
+++ b/tools/zc.pl
@@ -1,4 +1,4 @@
-#! /usr/bin/perl
+#!/usr/bin/env perl
 ##
 ## Zebra interactive console
 ## Copyright (C) 2000 Vladimir B. Grebenschikov <vova@express.ru>