1 files changed, 2 insertions, 0 deletions
diff --git a/src/lua.h b/src/lua.h
index 1ae8820..cfff148 100644
--- a/src/lua.h
+++ b/src/lua.h
@@ -114,6 +114,8 @@ int writer(lua_State*, const void*, size_t, void*);
   #define lua_gc(A, B) lua_gc(A, B, 0)
 
 #elif LUA_VERSION_NUM == 501
+    #define LUA_OK 0
+
     #define luaL_tolstring lua_tolstring
     
     #define lua_dump(A, B, C, D) lua_dump(A, B, C)