diff --git a/src/lua.h b/src/lua.h
index 61a0e88a2..fd53b23a9 100644
--- a/src/lua.h
+++ b/src/lua.h
@@ -2,7 +2,7 @@
 /*
 ** $Id: lua.h $
 ** Lua - A Scripting Language
-** Lua.org, PUC-Rio, Brazil (www.lua.org)
+** Lua.org, PUC-Rio, Brazil (http://www.lua.org)
 ** See Copyright Notice at the end of this file
 */
 
@@ -12,21 +12,22 @@
 #include <string_view>
 
 
-#define PLUTO_VERSION "Pluto 0.9.4"
-
-#define LUA_COPYRIGHT	PLUTO_VERSION " Copyright (C) 2022-2024 PlutoLang.org, Ryan Starrett, Sainan.\r\nBased on " LUA_RELEASE " Copyright (C) 1994-2024 Lua.org, PUC-Rio."
-#define LUA_AUTHORS	"R. Ierusalimschy, L. H. de Figueiredo, W. Celes"
+#include "luaconf.h"
 
 
-#define LUA_VERSION_MAJOR_N	5
-#define LUA_VERSION_MINOR_N	4
-#define LUA_VERSION_RELEASE_N	7
+#define PLUTO_VERSION "Pluto 0.9.4"
 
-#define LUA_VERSION_NUM  (LUA_VERSION_MAJOR_N * 100 + LUA_VERSION_MINOR_N)
-#define LUA_VERSION_RELEASE_NUM  (LUA_VERSION_NUM * 100 + LUA_VERSION_RELEASE_N)
+#define LUA_VERSION_MAJOR	"5"
+#define LUA_VERSION_MINOR	"4"
+#define LUA_VERSION_RELEASE	"7"
 
+#define LUA_VERSION_NUM			504
+#define LUA_VERSION_RELEASE_NUM		(LUA_VERSION_NUM * 100 + 7)
 
-#include "luaconf.h"
+#define LUA_VERSION	"Lua " LUA_VERSION_MAJOR "." LUA_VERSION_MINOR
+#define LUA_RELEASE	LUA_VERSION "." LUA_VERSION_RELEASE
+#define LUA_COPYRIGHT	LUA_RELEASE "  Copyright (C) 1994-2024 Lua.org, PUC-Rio"
+#define LUA_AUTHORS	"R. Ierusalimschy, L. H. de Figueiredo, W. Celes"
 
 
 /* mark for precompiled code ('<esc>Lua') */
@@ -519,17 +520,6 @@ struct lua_Debug {
 /* }====================================================================== */
 
 
-#define LUAI_TOSTRAUX(x)	#x
-#define LUAI_TOSTR(x)		LUAI_TOSTRAUX(x)
-
-#define LUA_VERSION_MAJOR	LUAI_TOSTR(LUA_VERSION_MAJOR_N)
-#define LUA_VERSION_MINOR	LUAI_TOSTR(LUA_VERSION_MINOR_N)
-#define LUA_VERSION_RELEASE	LUAI_TOSTR(LUA_VERSION_RELEASE_N)
-
-#define LUA_VERSION	"Lua " LUA_VERSION_MAJOR "." LUA_VERSION_MINOR
-#define LUA_RELEASE	LUA_VERSION "." LUA_VERSION_RELEASE
-
-
 /******************************************************************************
 * Copyright (C) 2022-2024 PlutoLang.org, Ryan Starrett, Sainan.
 * Copyright (C) 1994-2024 Lua.org, PUC-Rio.
diff --git a/src/lundump.h b/src/lundump.h
index 20d74df17..20c5bb16b 100644
--- a/src/lundump.h
+++ b/src/lundump.h
@@ -20,7 +20,7 @@
 ** Encode major-minor version in one byte, one nibble for each
 */
 #define MYINT(s)	(s[0]-'0')  /* assume one-digit numerals */
-#define LUAC_VERSION	(MYINT(LUA_VERSION_MAJOR)*16+MYINT(LUA_VERSION_MINOR))
+#define LUAC_VERSION  (((LUA_VERSION_NUM / 100) * 16) + LUA_VERSION_NUM % 100)
 
 #define LUAC_FORMAT	0	/* this is the official format */