1 files changed, 1 insertions, 1 deletions
diff --git a/src/lapi.js b/src/lapi.js
index 27d692a..63ed33e 100644
--- a/src/lapi.js
+++ b/src/lapi.js
@@ -695,7 +695,7 @@ 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: