diff --git a/lsyncd.c b/lsyncd.c
index 7ca6ce8..4106333 100644
--- a/lsyncd.c
+++ b/lsyncd.c
@@ -46,6 +46,11 @@
 #include <lualib.h>
 #include <lauxlib.h>
 
+#if defined(LUA_VERSION_NUM) && LUA_VERSION_NUM >= 504
+#define lua_objlen lua_rawlen
+#endif
+
+
 /*
 | The Lua part of Lsyncd
 */