diff --git a/src/net.h b/src/net.h
index 566284c70..cf742a8ca 100644
--- a/src/net.h
+++ b/src/net.h
@@ -564,7 +564,7 @@ class CNode
     friend class CConnman;
 public:
     // socket
-    ServiceFlags nServices;
+    std::atomic<ServiceFlags> nServices;
     ServiceFlags nServicesExpected;
     SOCKET hSocket;
     size_t nSendSize; // total size of all vSendMsg entries