diff --git a/include/smath.hpp b/include/smath.hpp
index dc9c66e..e4bba35 100644
--- a/include/smath.hpp
+++ b/include/smath.hpp
@@ -1,5 +1,3 @@
-#pragma once
-
 /* Copyright 2025 Slendi <slendi@socopon.com>
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -18,6 +16,8 @@
  * - SMATH_IMPLICIT_CONVERSIONS
  */
 
+#pragma once
+
 #include <array>
 #include <cmath>
 #include <cstddef>