1 files changed, 1 insertions, 1 deletions

diff --git a/src/universe.c b/src/universe.c
index d531bf2..e1cd38f 100644
--- a/src/universe.c
+++ b/src/universe.c
@@ -43,7 +43,7 @@ static DECLARE_CONST_UNIQUE_KEY( UNIVERSE_REGKEY, 0x9f877b2cf078f17f);
 
 Universe* universe_create( lua_State* L)
 {
-        Universe* U = (Universe*) lua_newuserdata( L, sizeof(Universe));                               // universe
+        Universe* U = (Universe*) lua_newuserdatauv( L, sizeof(Universe), 0);                          // universe
         memset( U, 0, sizeof( Universe));
         STACK_CHECK( L, 1);
         REGISTRY_SET( L, UNIVERSE_REGKEY, lua_pushvalue(L, -2));                                       // universe