--- lua-5.1.4.orig/src/lvm.c	2009/07/01 21:10:33	2.63.1.4
+++ lua-5.1.4/src/lvm.c	2011/08/17 20:36:28
@@ -142,6 +142,7 @@
       if (!ttisnil(oldval) ||  /* result is no nil? */
           (tm = fasttm(L, h->metatable, TM_NEWINDEX)) == NULL) { /* or no TM? */
         setobj2t(L, oldval, val);
+        h->flags = 0;
         luaC_barriert(L, h, val);
         return;
       }