diff --git a/packages/moxxmpp/lib/src/xeps/xep_0198/xep_0198.dart b/packages/moxxmpp/lib/src/xeps/xep_0198/xep_0198.dart
index e294b3f..9daf2fc 100644
--- a/packages/moxxmpp/lib/src/xeps/xep_0198/xep_0198.dart
+++ b/packages/moxxmpp/lib/src/xeps/xep_0198/xep_0198.dart
@@ -61,7 +61,7 @@ class StreamManagementManager extends XmppManagerBase {
   final Lock _ackLock = Lock();
 
   /// Functions for testing
-  /// @visibleForTesting
+  @visibleForTesting
   Map<int, SMQueueEntry> getUnackedStanzas() => _unackedStanzas;
 
   @visibleForTesting