diff --git a/src/base/net/stratum/DaemonClient.cpp b/src/base/net/stratum/DaemonClient.cpp
index a6cea3db9..dbce3348c 100644
--- a/src/base/net/stratum/DaemonClient.cpp
+++ b/src/base/net/stratum/DaemonClient.cpp
@@ -859,7 +859,8 @@ void xmrig::DaemonClient::ZMQParse()
     m_ZMQRecvBuf.erase(m_ZMQRecvBuf.begin(), m_ZMQRecvBuf.begin() + (data - m_ZMQRecvBuf.data()));
 
 #   ifdef APP_DEBUG
-    LOG_DEBUG(CYAN("tcp-zmq://%s:%u") BLACK_BOLD(" read ") CYAN_BOLD("%zu") BLACK_BOLD(" bytes") " %s", m_pool.host().data(), m_pool.zmq_port(), msg.size(), msg.data());
+    msg.push_back('\0');
+    LOG_DEBUG(CYAN("tcp-zmq://%s:%u") BLACK_BOLD(" read ") CYAN_BOLD("%zu") BLACK_BOLD(" bytes") " %s", m_pool.host().data(), m_pool.zmq_port(), msg.size() - 1, msg.data());
 #   endif
 
     getBlockTemplate();