diff --git a/celestia/src/celestia/celx.cpp b/celestia/src/celestia/celx.cpp

index a00b933..736f8b3 100644

--- a/celestia/src/celestia/celx.cpp

+++ b/celestia/src/celestia/celx.cpp

@@ -669,7 +669,10 @@ static int resumeLuaThread(lua_State *L, lua_State *co, int narg)

     //if (!lua_checkstack(co, narg))

     //   luaL_error(L, "too many arguments to resume");

     lua_xmove(L, co, narg);

-#if LUA_VERSION_NUM >= 502

+#if LUA_VERSION_NUM >= 504

+    int nresults;

+    status = lua_resume(co, NULL, narg, &nresults);

+#elif LUA_VERSION_NUM >= 502

     status = lua_resume(co, NULL, narg);

 #else

     status = lua_resume(co, narg);