diff --git a/README.md b/README.md
index f05a59e..2ca0ebf 100644
--- a/README.md
+++ b/README.md
@@ -16,6 +16,10 @@ dependencies are fetched automatically while building.
 
     $ make build
 
+or on FreeBSD
+
+    $ gmake build
+
 Afterwards the binary is created as `bin/signaling`.
 
 
diff --git a/scripts/get-version.sh b/scripts/get-version.sh
index 409941d..39b009b 100755
--- a/scripts/get-version.sh
+++ b/scripts/get-version.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -e
 ROOT="$(cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd)"
 
diff --git a/scripts/get_continent_map.py b/scripts/get_continent_map.py
index 9a1d4c5..aa33b70 100755
--- a/scripts/get_continent_map.py
+++ b/scripts/get_continent_map.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 #
 # Standalone signaling server for the Nextcloud Spreed app.
 # Copyright (C) 2019 struktur AG
@@ -51,7 +51,7 @@ else:
 
 def generate_map(filename):
   data = subprocess.check_output([
-    '/usr/bin/curl',
+    'curl',
     '-L',
     URL,
   ])