1 files changed, 3 insertions, 2 deletions
diff --git a/src/lapi.js b/src/lapi.js
index e323e4f..1dfd112 100644
--- a/src/lapi.js
+++ b/src/lapi.js
@@ -697,7 +697,7 @@ const lua_rawlen = function(L, idx) {
         case CT.LUA_TLNGSTR:
             return o.vslen();
         case CT.LUA_TUSERDATA:
-            return o.len;
+            return o.value.len;
         case CT.LUA_TTABLE:
             return ltable.luaH_getn(o.value);
         default:
@@ -716,7 +716,8 @@ const lua_tointeger = function(L, idx) {
 };
 
 const lua_tonumber = function(L, idx) {
-    return lvm.tonumber(index2addr(L, idx));
+    let n = lvm.tonumber(index2addr(L, idx));
+    return n === false ? 0 : n;
 };
 
 const lua_touserdata = function(L, idx) {