1 files changed, 1 insertions, 1 deletions
diff --git a/src/zmq/zmqnotificationinterface.h b/src/zmq/zmqnotificationinterface.h
index eec6f7bc64..cb92216fa4 100644
--- a/src/zmq/zmqnotificationinterface.h
+++ b/src/zmq/zmqnotificationinterface.h
@@ -13,7 +13,7 @@
 class CBlockIndex;
 class CZMQAbstractNotifier;
 
-class CZMQNotificationInterface : public CValidationInterface
+class CZMQNotificationInterface final : public CValidationInterface
 {
 public:
     virtual ~CZMQNotificationInterface();