diff --git a/sdk/lib/_internal/vm/lib/async_patch.dart b/sdk/lib/_internal/vm/lib/async_patch.dart
index ee371e703e4..0e4dcd148b1 100644
--- a/sdk/lib/_internal/vm/lib/async_patch.dart
+++ b/sdk/lib/_internal/vm/lib/async_patch.dart
@@ -70,10 +70,10 @@ dynamic Function(Object, StackTrace) _asyncErrorWrapperHelper(
 Future _awaitHelper(var object, dynamic Function(dynamic) thenCallback,
     dynamic Function(dynamic, StackTrace) errorCallback, Function awaiter) {
   late _Future future;
-  if (object is! Future) {
-    future = new _Future().._setValue(object);
-  } else if (object is _Future) {
+  if (object is _Future) {
     future = object;
+  } else if (object is! Future) {
+    future = new _Future().._setValue(object);
   } else {
     return object.then(thenCallback, onError: errorCallback);
   }