diff --git a/src/M5HAL.hpp b/src/M5HAL.hpp
index 5f7dda6..f0d87ca 100644
--- a/src/M5HAL.hpp
+++ b/src/M5HAL.hpp
@@ -11,9 +11,13 @@
 #include "./m5_hal/bus/bus.hpp"
 #include "./m5_hal/interface/gpio.hpp"
 
-#define M5HAL_STATIC_MACRO_STRING(x)    #x
-#define M5HAL_STATIC_MACRO_CONCAT(x, y) M5HAL_STATIC_MACRO_STRING(x / y)
-#define M5HAL_STATIC_MACRO_PATH_HEADER  M5HAL_STATIC_MACRO_CONCAT(M5HAL_TARGET_PLATFORM_PATH, header.hpp)
+#define M5HAL_STATIC_MACRO_STRING(x) #x
+// Source
+// clang-format off
+#define M5HAL_STATIC_MACRO_CONCAT(x, y) M5HAL_STATIC_MACRO_STRING(x/y)
+// clang-format on
+
+#define M5HAL_STATIC_MACRO_PATH_HEADER M5HAL_STATIC_MACRO_CONCAT(M5HAL_TARGET_PLATFORM_PATH, header.hpp)
 
 #if M5HAL_TARGET_PLATFORM_NUMBER != 0
 #include M5HAL_STATIC_MACRO_PATH_HEADER