diff --git a/tool/misc/update_btstack_config.py b/tool/misc/update_btstack_config.py
index 1e23bf5d4..042ec2bca 100755
--- a/tool/misc/update_btstack_config.py
+++ b/tool/misc/update_btstack_config.py
@@ -4,6 +4,8 @@ import os
 import re
 import sys
 
+btstack_root = os.path.abspath(os.path.dirname(sys.argv[0]) + '/../../')
+
 defines_to_add = []
 defines_to_remove = []
 
@@ -94,13 +96,6 @@ def write_configuration(full_path, config_file):
         bytes = configuration.encode('utf-8')
         fout.write(bytes)
 
-btstack_root = os.path.abspath(os.path.dirname(sys.argv[0]) + '/../../port')
-
-config_file = "/Users/mringwal/Projects/btstack/port/arduino/btstack_config.h"
-line_ending = get_line_ending(config_file)
-# configuration = read_and_update_configuration(config_file, line_ending)
-# write_configuration(config_file, configuration)
-# sys.exit(0)
 
 for root, dirs, files in os.walk(btstack_root, topdown=True):
     for f in files:
diff --git a/tool/misc/update_copyright.py b/tool/misc/update_copyright.py
index ab33ebe40..667ada5d7 100755
--- a/tool/misc/update_copyright.py
+++ b/tool/misc/update_copyright.py
@@ -144,8 +144,9 @@ def requiresCopyrightUpdate(file_name):
 # 	print "UPdate"
 # 	updateCopyright("../example", "panu_demo.c")
 
+btstack_root = os.path.abspath(os.path.dirname(sys.argv[0]) + '/../..')
 
-for root, dirs, files in os.walk('../', topdown=True):
+for root, dirs, files in os.walk(btstack_root, topdown=True):
 	dirs[:] = [d for d in dirs if d not in ignoreFolders]
 	files[:] = [f for f in files if f not in ignoreFiles]
 	for f in files:
diff --git a/tool/update_filename.py b/tool/update_filename.py
index bfe310d6b..795645f2f 100755
--- a/tool/update_filename.py
+++ b/tool/update_filename.py
@@ -2,6 +2,8 @@
 import os
 import re
 
+btstack_root = os.path.abspath(os.path.dirname(sys.argv[0]) + '/..')
+
 filetag = '#define BTSTACK_FILE__ "%s"\n'
 filetag_re = '#define BTSTACK_FILE__ \"(.*)\"'
 
@@ -79,7 +81,7 @@ def get_filename_tag(file_path):
 			return tag
 	return None
 
-for root, dirs, files in os.walk('../', topdown=True):
+for root, dirs, files in os.walk(btstack_root, topdown=True):
 	dirs[:]  = [d for d in dirs if d not in ignoreFolders]
 	files[:] = [f for f in files if f not in ignoreFiles]
 	for f in files: