diff --git a/lib/src/safe_http_server.dart b/lib/src/safe_http_server.dart
index aeb24ac856e029e14eaab4055bb277b6a55bb480..634a76fc20173af8dc63bc4dbee4ab56e07cc3fe 100644
--- a/lib/src/safe_http_server.dart
+++ b/lib/src/safe_http_server.dart
@@ -30,7 +30,7 @@ class SafeHttpServer extends StreamView<HttpRequest> implements HttpServer {
       : super(server),
         _inner = server;
 
-  void close() => _inner.close();
+  Future close() => _inner.close();
 
   int get port => _inner.port;