diff --git a/components/esptool_py/esptool/esptool.py b/components/esptool_py/esptool/esptool.py
index 828129e6d6..2cad600ed8 100644
--- a/components/esptool_py/esptool/esptool.py
+++ b/components/esptool_py/esptool/esptool.py
@@ -1,11 +1,10 @@
 #
-# SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
+# SPDX-FileCopyrightText: 2022-2025 Espressif Systems (Shanghai) CO LTD
 #
 # SPDX-License-Identifier: Apache-2.0
 #
-
 import subprocess
 import sys
 
 if __name__ == '__main__':
-    sys.exit(subprocess.run([sys.executable, '-m', 'esptool'] + sys.argv[1:]).returncode)
+    sys.exit(subprocess.run([sys.executable, '-u', '-m', 'esptool'] + sys.argv[1:]).returncode)