diff --git a/Lib/lua/luarun.swg b/Lib/lua/luarun.swg
index 9ce99f01e..bd764d668 100644
--- a/Lib/lua/luarun.swg
+++ b/Lib/lua/luarun.swg
@@ -1039,15 +1039,9 @@ SWIGINTERN int  SWIG_Lua_class_tostring(lua_State *L)
 {
 /*  there should be 1 param passed in
   (1) userdata (not the metatable) */
-  const char *className;
   swig_lua_userdata* userData;
   assert(lua_isuserdata(L,1));  /* just in case */
-  userData = (swig_lua_userdata*)lua_touserdata(L,1); /* get the userdata address for later */
-  lua_getmetatable(L,1);    /* get the meta table */
-  assert(lua_istable(L,-1));  /* just in case */
-
-  lua_getfield(L, -1, ".type");
-  className = lua_tostring(L, -1);
+  userData = (swig_lua_userdata*)lua_touserdata(L,1); /* get the userdata address */
 
   lua_pushfstring(L, "<userdata of type '%s' at %p>", userData->type->str, userData->ptr);
   return 1;