diff --git a/misc/config_tools/config_app/acrn_configurator.py b/misc/config_tools/config_app/acrn_configurator.py
old mode 100644
new mode 100755
index dabc7038c..082584bbd
--- a/misc/config_tools/config_app/acrn_configurator.py
+++ b/misc/config_tools/config_app/acrn_configurator.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python3
+
 # Copyright (C) 2019 Intel Corporation.
 # SPDX-License-Identifier: BSD-3-Clause