diff --git a/3rd/lua/ldebug.c b/3rd/lua/ldebug.c
index a75bceec..9d66f955 100644
--- a/3rd/lua/ldebug.c
+++ b/3rd/lua/ldebug.c
@@ -118,7 +118,7 @@ LUA_API int lua_getstack (lua_State *L, int level, lua_Debug *ar) {
 
 
 static const char *upvalname (Proto *p, int uv) {
-  TString *s = check_exp(uv < p->sizeupvalues, p->sp->upvalues[uv].name);
+  TString *s = check_exp(uv < p->sp->sizeupvalues, p->sp->upvalues[uv].name);
   if (s == NULL) return "?";
   else return getstr(s);
 }
diff --git a/3rd/lua/ldo.c b/3rd/lua/ldo.c
index a141c2fd..db222be8 100644
--- a/3rd/lua/ldo.c
+++ b/3rd/lua/ldo.c
@@ -768,7 +768,7 @@ static void f_parser (lua_State *L, void *ud) {
     checkmode(L, p->mode, "text");
     cl = luaY_parser(L, p->z, &p->buff, &p->dyd, p->name, c);
   }
-  lua_assert(cl->nupvalues == cl->p->sizeupvalues);
+  lua_assert(cl->nupvalues == cl->p->sp->sizeupvalues);
   luaF_initupvals(L, cl);
 }
 
diff --git a/3rd/lua/lparser.c b/3rd/lua/lparser.c
index 7845ccf1..53c5cdd5 100644
--- a/3rd/lua/lparser.c
+++ b/3rd/lua/lparser.c
@@ -1597,7 +1597,7 @@ static void statement (LexState *ls) {
       break;
     }
   }
-  lua_assert(ls->fs->f->maxstacksize >= ls->fs->freereg &&
+  lua_assert(ls->fs->f->sp->maxstacksize >= ls->fs->freereg &&
              ls->fs->freereg >= ls->fs->nactvar);
   ls->fs->freereg = ls->fs->nactvar;  /* free registers */
   leavelevel(ls);
diff --git a/3rd/lua/lundump.c b/3rd/lua/lundump.c
index 5e0224c5..39674cd9 100644
--- a/3rd/lua/lundump.c
+++ b/3rd/lua/lundump.c
@@ -273,7 +273,7 @@ LClosure *luaU_undump(lua_State *L, ZIO *Z, const char *name) {
   luaD_inctop(L);
   cl->p = luaF_newproto(L, NULL);
   LoadFunction(&S, cl->p, NULL);
-  lua_assert(cl->nupvalues == cl->p->sizeupvalues);
+  lua_assert(cl->nupvalues == cl->p->sp->sizeupvalues);
   luai_verifycode(L, buff, cl->p);
   return cl;
 }
diff --git a/3rd/lua/lvm.c b/3rd/lua/lvm.c
index 3fa87cb1..9fc24af1 100644
--- a/3rd/lua/lvm.c
+++ b/3rd/lua/lvm.c
@@ -1163,7 +1163,7 @@ void luaV_execute (lua_State *L) {
           oci->u.l.savedpc = nci->u.l.savedpc;
           oci->callstatus |= CIST_TAIL;  /* function was tail called */
           ci = L->ci = oci;  /* remove new frame */
-          lua_assert(L->top == oci->u.l.base + getproto(ofunc)->maxstacksize);
+          lua_assert(L->top == oci->u.l.base + getproto(ofunc)->sp->maxstacksize);
           goto newframe;  /* restart luaV_execute over new Lua function */
         }
         vmbreak;