diff --git a/luacompat/compat52.c b/luacompat/compat52.c
index d59d247c..673431c7 100644
--- a/luacompat/compat52.c
+++ b/luacompat/compat52.c
@@ -5,6 +5,8 @@
 
 LUALIB_API void 
 luaL_init(lua_State *L) {
+	lua_pushglobaltable(L);
+	lua_setglobal(L, "_ENV");
 	lua_pushglobaltable(L);
 	lua_rawseti(L, LUA_REGISTRYINDEX, LUA_RIDX_GLOBALS);
 	int mt = lua_pushthread(L);