diff --git a/esmeta-ignore.json b/esmeta-ignore.json
index 4ce55ea899..5d2dd3e909 100644
--- a/esmeta-ignore.json
+++ b/esmeta-ignore.json
@@ -10,7 +10,6 @@
   "GetViewByteLength",
   "INTRINSICS.Atomics.notify",
   "MakeMatchIndicesIndexPairArray",
-  "Record[BuiltinFunctionObject].Construct",
   "Record[ModuleNamespaceExoticObject].Get",
   "Record[SourceTextModuleRecord].ExecuteModule",
   "Record[SourceTextModuleRecord].InitializeEnvironment",
diff --git a/spec.html b/spec.html
index 48321fe795..bce1f26803 100644
--- a/spec.html
+++ b/spec.html
@@ -13979,7 +13979,9 @@ <h1>
         <dd>a built-in function object _F_ (when the method is present)</dd>
       </dl>
       <emu-alg>
-        1. Return ? BuiltinCallOrConstruct(_F_, ~uninitialized~, _argumentsList_, _newTarget_).
+        1. Let _result_ be ? BuiltinCallOrConstruct(_F_, ~uninitialized~, _argumentsList_, _newTarget_).
+        1. Assert: _result_ is an Object.
+        1. Return _result_.
       </emu-alg>
     </emu-clause>