diff --git a/quickjs.c b/quickjs.c
index 8dbc83e82..b626be07e 100644
--- a/quickjs.c
+++ b/quickjs.c
@@ -7495,6 +7495,11 @@ static JSValue js_bytecode_autoinit(JSContext *ctx, JSObject *p, JSAtom atom,
             for (size_t i = 0; i < countof(args); i++)
                 JS_FreeValue(ctx, args[i]);
             JS_FreeValue(ctx, fun);
+            if (JS_SetPrototypeInternal(ctx, result, ctx->function_proto,
+                                        /*throw_flag*/true) < 0) {
+                JS_FreeValue(ctx, result);
+                return JS_EXCEPTION;
+            }
             return result;
         }
     }
diff --git a/test262_errors.txt b/test262_errors.txt
index 98a30b229..bccaf233a 100644
--- a/test262_errors.txt
+++ b/test262_errors.txt
@@ -1,9 +1,3 @@
-test262/test/built-ins/Array/fromAsync/builtin.js:24: Test262Error: Prototype of Array.fromAsync is Function.prototype Expected SameValue(«[object AsyncFunction]», «function () {
-    [native code]
-}») to be true
-test262/test/built-ins/Array/fromAsync/builtin.js:24: strict mode: Test262Error: Prototype of Array.fromAsync is Function.prototype Expected SameValue(«[object AsyncFunction]», «function () {
-    [native code]
-}») to be true
 test262/test/built-ins/AsyncFromSyncIteratorPrototype/next/iterator-result-poisoned-wrapper.js:64: TypeError: $DONE() not called
 test262/test/built-ins/AsyncFromSyncIteratorPrototype/next/iterator-result-poisoned-wrapper.js:64: strict mode: TypeError: $DONE() not called
 test262/test/built-ins/AsyncFromSyncIteratorPrototype/next/next-result-poisoned-wrapper.js:69: TypeError: $DONE() not called