1 files changed, 2 insertions, 1 deletions

diff --git a/src/lj_func.c b/src/lj_func.c
index 0c0b9014..0af53cc4 100644
--- a/src/lj_func.c
+++ b/src/lj_func.c
@@ -163,8 +163,9 @@ GCfunc *lj_func_newL_gc(lua_State *L, GCproto *pt, GCfuncL *parent)
   for (i = 0; i < nuv; i++) {
     uint32_t v = proto_uv(pt)[i];
     GCupval *uv;
-    if ((v & 0x8000)) {
+    if ((v & PROTO_UV_LOCAL)) {
       uv = func_finduv(L, base + (v & 0xff));
+      uv->immutable = ((v / PROTO_UV_IMMUTABLE) & 1);
       uv->dhash = (uint32_t)(uintptr_t)mref(parent->pc, char) ^ (v << 24);
     } else {
       uv = &gcref(puv[v])->uv;