diff --git a/libraries/networking/src/LimitedNodeList.cpp b/libraries/networking/src/LimitedNodeList.cpp
index 453b722e5c..485100da0a 100644
--- a/libraries/networking/src/LimitedNodeList.cpp
+++ b/libraries/networking/src/LimitedNodeList.cpp
@@ -827,6 +827,9 @@ void LimitedNodeList::startSTUNPublicSocketUpdate() {
 
             connect(lookupTimeoutTimer, &QTimer::timeout, this, &LimitedNodeList::possiblyTimeoutSTUNAddressLookup);
 
+            // delete the lookup timeout timer once it has fired
+            connect(lookupTimeoutTimer, &QTimer::timeout, lookupTimeoutTimer, &QTimer::deleteLater);
+
             lookupTimeoutTimer->start(STUN_DNS_LOOKUP_TIMEOUT_MSECS);
         } else {
             _initialSTUNTimer->start();