1 files changed, 2 insertions, 2 deletions
diff --git a/src/zmq/zmqpublishnotifier.cpp b/src/zmq/zmqpublishnotifier.cpp
index 700c39f66e..ab54e2bb8b 100644
--- a/src/zmq/zmqpublishnotifier.cpp
+++ b/src/zmq/zmqpublishnotifier.cpp
@@ -126,7 +126,7 @@ void CZMQAbstractPublishNotifier::Shutdown()
         zmq_close(psocket);
     }
 
-    psocket = 0;
+    psocket = nullptr;
 }
 
 bool CZMQAbstractPublishNotifier::SendMessage(const char *command, const void* data, size_t size)
@@ -136,7 +136,7 @@ bool CZMQAbstractPublishNotifier::SendMessage(const char *command, const void* d
     /* send three parts, command & data & a LE 4byte sequence number */
     unsigned char msgseq[sizeof(uint32_t)];
     WriteLE32(&msgseq[0], nSequence);
-    int rc = zmq_send_multipart(psocket, command, strlen(command), data, size, msgseq, (size_t)sizeof(uint32_t), (void*)0);
+    int rc = zmq_send_multipart(psocket, command, strlen(command), data, size, msgseq, (size_t)sizeof(uint32_t), nullptr);
     if (rc == -1)
         return false;