diff --git a/scripts/kconfig/generate_header.py b/scripts/kconfig/generate_header.py
index 5fa198046..5f297a588 100644
--- a/scripts/kconfig/generate_header.py
+++ b/scripts/kconfig/generate_header.py
@@ -21,7 +21,7 @@ class Acrn_config(kconfiglib.Kconfig):
     def write_autoconf(self, filename,
           header="/* Generated by Kconfiglib (https://github.com/ulfalizer/Kconfiglib) */\n"):
 
-        guard_begin = "#ifndef __HV_KCONFIG__\n#define __HV_KCONFIG__\n"
+        guard_begin = "#ifndef HV_KCONFIG\n#define HV_KCONFIG\n"
         guard_end = "#endif"
 
         with open(filename, "w") as f: