diff --git a/source/mijin/util/common_macros.hpp b/source/mijin/util/common_macros.hpp
index ef8b088..72f1655 100644
--- a/source/mijin/util/common_macros.hpp
+++ b/source/mijin/util/common_macros.hpp
@@ -4,7 +4,8 @@
 #if !defined(MIJIN_UTIL_COMMON_MACROS_HPP_INCLUDED)
 #define MIJIN_UTIL_COMMON_MACROS_HPP_INCLUDED 1
 
-#define MIJIN_CONCAT2(a, b) a ## b
-#define MIJIN_CONCAT(a, b) MIJIN_CONCAT2(a, b)
+#define MIJIN_CONCAT_DETAIL(a, b) a ## b
+#define MIJIN_CONCAT(a, b) MIJIN_CONCAT_DETAIL(a, b)
+#define MIJIN_CONCAT3(a, b, c) MIJIN_CONCAT(a, MIJIN_CONCAT(b, c))
 
 #endif // defined(MIJIN_UTIL_COMMON_MACROS_HPP_INCLUDED)
\ No newline at end of file