diff --git a/src/net_processing.cpp b/src/net_processing.cpp
index 853c488bed7..43447a2c347 100644
--- a/src/net_processing.cpp
+++ b/src/net_processing.cpp
@@ -2213,6 +2213,12 @@ bool ProcessMessage(CNode* pfrom, const std::string& msg_type, CDataStream& vRec
     // Feature negotiation of wtxidrelay should happen between VERSION and
     // VERACK, to avoid relay problems from switching after a connection is up
     if (msg_type == NetMsgType::WTXIDRELAY) {
+        if (pfrom->fSuccessfullyConnected) {
+            // Disconnect peers that send wtxidrelay message after VERACK; this
+            // must be negotiated between VERSION and VERACK.
+            pfrom->fDisconnect = true;
+            return false;
+        }
         if (pfrom->nVersion >= WTXID_RELAY_VERSION) {
             LOCK(cs_main);
             if (!State(pfrom->GetId())->m_wtxid_relay) {