diff --git a/lua/uloop.c b/lua/uloop.c
index 7a73f16..9465bf4 100644
--- a/lua/uloop.c
+++ b/lua/uloop.c
@@ -67,7 +67,7 @@ ul_create_userdata(lua_State *L, size_t size, const luaL_Reg *reg, lua_CFunction
 	lua_pushvalue(L, -1);
 	lua_setmetatable(L, -3);
 	lua_pushvalue(L, -2);
-	luaI_openlib(L, NULL, reg, 1);
+	luaL_openlib(L, NULL, reg, 1);
 	lua_pushvalue(L, -2);
 
 	return ret;
@@ -351,8 +351,8 @@ static int ul_process(lua_State *L)
 
 	if (pid == 0) {
 		/* child */
-		int argn = lua_objlen(L, -3);
-		int envn = lua_objlen(L, -2);
+		int argn = lua_rawlen(L, -3);
+		int envn = lua_rawlen(L, -2);
 		char** argp = malloc(sizeof(char*) * (argn + 2));
 		char** envp = malloc(sizeof(char*) * (envn + 1));
 		int i = 1;
@@ -597,7 +597,7 @@ static int ul_end(lua_State *L)
 	return 1;
 }
 
-static luaL_reg uloop_func[] = {
+static luaL_Reg uloop_func[] = {
 	{"init", ul_init},
 	{"run", ul_run},
 	{"timer", ul_timer},