diff --git a/src/net.cpp b/src/net.cpp
index 386cabb42..aaf22de2c 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -641,7 +641,10 @@ void CNode::copyStats(CNodeStats &stats)
 {
     stats.nodeid = this->GetId();
     stats.nServices = nServices;
-    stats.fRelayTxes = fRelayTxes;
+    {
+        LOCK(cs_filter);
+        stats.fRelayTxes = fRelayTxes;
+    }
     stats.nLastSend = nLastSend;
     stats.nLastRecv = nLastRecv;
     stats.nTimeConnected = nTimeConnected;