diff --git a/libs/LuaJIT/src/msvcbuild.bat b/libs/LuaJIT/src/msvcbuild.bat
index ae035dc6..c826016c 100644
--- a/libs/LuaJIT/src/msvcbuild.bat
+++ b/libs/LuaJIT/src/msvcbuild.bat
@@ -15,7 +15,7 @@
 @setlocal
 @rem Add more debug flags here, e.g. DEBUGCFLAGS=/DLUA_USE_APICHECK
 @set DEBUGCFLAGS=
-@set LJCOMPILE=cl /nologo /c /O2 /W3 /D_CRT_SECURE_NO_DEPRECATE /D_CRT_STDIO_INLINE=__declspec(dllexport)__inline
+@set LJCOMPILE=cl /nologo /c /O2 /W3 /D_CRT_SECURE_NO_DEPRECATE /D_CRT_STDIO_INLINE=__declspec(dllexport)__inline /DLUAJIT_ENABLE_LUA52COMPAT
 @set LJLINK=link /nologo
 @set LJMT=mt /nologo
 @set LJLIB=lib /nologo /nodefaultlib