diff --git a/sdk/lib/_internal/js_dev_runtime/patch/js_patch.dart b/sdk/lib/_internal/js_dev_runtime/patch/js_patch.dart
index 31ff5e636f5..43376e543e4 100644
--- a/sdk/lib/_internal/js_dev_runtime/patch/js_patch.dart
+++ b/sdk/lib/_internal/js_dev_runtime/patch/js_patch.dart
@@ -440,7 +440,7 @@ JsObject _wrapToDartHelper(Object o) {
   if (JS<bool>('!', 'typeof # == "function"', o)) {
     return JsFunction._fromJs(o);
   }
-  if (JS<bool>('!', '# instanceof Array', o)) {
+  if (JS<bool>('!', 'Array.isArray(#)', o)) {
     return JsArray._fromJs(o);
   }
   return JsObject._fromJs(o);
diff --git a/sdk/lib/_internal/js_runtime/lib/js_patch.dart b/sdk/lib/_internal/js_runtime/lib/js_patch.dart
index b1a138ac085..c2111a470d6 100644
--- a/sdk/lib/_internal/js_runtime/lib/js_patch.dart
+++ b/sdk/lib/_internal/js_runtime/lib/js_patch.dart
@@ -548,7 +548,7 @@ Object _wrapToDart(o) {
       (o) => JsFunction._fromJs(o),
     );
   }
-  if (JS('bool', '# instanceof Array', o)) {
+  if (JS('bool', 'Array.isArray(#)', o)) {
     return _getDartProxy(
       o,
       _DART_OBJECT_PROPERTY_NAME,