diff --git a/src/lua_baselib.c b/src/lua_baselib.c
index 7bd7bcb7a..3a8dcacae 100644
--- a/src/lua_baselib.c
+++ b/src/lua_baselib.c
@@ -193,6 +193,8 @@ static const struct {
 	{META_MAPHEADER,    "mapheader_t"},
 
 	{META_POLYOBJ,      "polyobj_t"},
+	{META_POLYOBJVERTICES, "polyobj_t.vertices"},
+	{META_POLYOBJLINES, "polyobj_t.lines"},
 
 	{META_CVAR,         "consvar_t"},