diff --git a/libraries/networking/src/LimitedNodeList.cpp b/libraries/networking/src/LimitedNodeList.cpp
index 6f79b248cf..5bf416af7f 100644
--- a/libraries/networking/src/LimitedNodeList.cpp
+++ b/libraries/networking/src/LimitedNodeList.cpp
@@ -41,6 +41,7 @@ const QUrl DEFAULT_NODE_AUTH_URL = QUrl("https://data.highfidelity.io");
 LimitedNodeList::LimitedNodeList(unsigned short socketListenPort, unsigned short dtlsListenPort) :
     _sessionUUID(),
     _nodeHash(),
+    _nodeMutex(QReadWriteLock::Recursive),
     _nodeSocket(this),
     _dtlsSocket(NULL),
     _localSockAddr(),