diff --git a/samples/ffi/http/test/http_test.dart b/samples/ffi/http/test/http_test.dart
index 509d8dd76c7..501bef7a85a 100644
--- a/samples/ffi/http/test/http_test.dart
+++ b/samples/ffi/http/test/http_test.dart
@@ -18,7 +18,11 @@ Future<void> main() async {
 
   test('httpServe', () async {
     final completer = Completer<String>();
-    httpServe((request) => completer.complete(request));
+    httpServe((request) {
+      if (!completer.isCompleted) {
+        completer.complete(request);
+      }
+    });
     final request = await completer.future;
     expect(request, contains('www.example.com'));
   });
diff --git a/samples/samples.status b/samples/samples.status
index 0cea15b080b..1124deee938 100644
--- a/samples/samples.status
+++ b/samples/samples.status
@@ -15,6 +15,7 @@ ffi/*: SkipByDesign # FFI skips, see ffi.status
 *: Skip # Not yet triaged.
 
 [ $arch != x64 || $compiler != dartk || $system != linux || $hot_reload || $hot_reload_rollback ]
+ffi/http/test/http_test: SkipByDesign
 ffi/sqlite/test/sqlite_test: SkipByDesign # FFI not supported or libsqlite3.so not available.
 
 [ $runtime == d8 || $browser ]