2 files changed, 6 insertions, 3 deletions
diff --git a/src/zmq/zmqnotificationinterface.cpp b/src/zmq/zmqnotificationinterface.cpp
index 376e7dec59..a0196fe184 100644
--- a/src/zmq/zmqnotificationinterface.cpp
+++ b/src/zmq/zmqnotificationinterface.cpp
@@ -124,12 +124,15 @@ void CZMQNotificationInterface::Shutdown()
     }
 }
 
-void CZMQNotificationInterface::UpdatedBlockTip(const CBlockIndex *pindex)
+void CZMQNotificationInterface::UpdatedBlockTip(const CBlockIndex *pindexNew, const CBlockIndex *pindexFork, bool fInitialDownload)
 {
+    if (fInitialDownload || pindexNew == pindexFork) // In IBD or blocks were disconnected without any new ones
+        return;
+
     for (std::list<CZMQAbstractNotifier*>::iterator i = notifiers.begin(); i!=notifiers.end(); )
     {
         CZMQAbstractNotifier *notifier = *i;
-        if (notifier->NotifyBlock(pindex))
+        if (notifier->NotifyBlock(pindexNew))
         {
             i++;
         }
diff --git a/src/zmq/zmqnotificationinterface.h b/src/zmq/zmqnotificationinterface.h
index a853447267..037470ec17 100644
--- a/src/zmq/zmqnotificationinterface.h
+++ b/src/zmq/zmqnotificationinterface.h
@@ -25,7 +25,7 @@ protected:
 
     // CValidationInterface
     void SyncTransaction(const CTransaction& tx, const CBlockIndex *pindex, int posInBlock);
-    void UpdatedBlockTip(const CBlockIndex *pindex);
+    void UpdatedBlockTip(const CBlockIndex *pindexNew, const CBlockIndex *pindexFork, bool fInitialDownload);
 
 private:
     CZMQNotificationInterface();