diff --git a/pkg/network/server.go b/pkg/network/server.go
index 18f61fa33..998120553 100644
--- a/pkg/network/server.go
+++ b/pkg/network/server.go
@@ -108,6 +108,7 @@ type (
 		services       map[string]Service
 		extensHandlers map[string]func(*payload.Extensible) error
 		txCallback     func(*transaction.Transaction)
+		txCbHeight     atomic.Uint32
 
 		txInLock sync.Mutex
 		txInMap  map[util.Uint256]struct{}
@@ -1044,7 +1045,7 @@ func (s *Server) handleTxCmd(tx *transaction.Transaction) error {
 	s.serviceLock.RLock()
 	txCallback := s.txCallback
 	s.serviceLock.RUnlock()
-	if txCallback != nil {
+	if txCallback != nil && s.chain.BlockHeight() <= s.txCbHeight.Load() {
 		txCallback(tx)
 	}
 	if s.verifyAndPoolTX(tx) == nil {
@@ -1344,6 +1345,8 @@ func (s *Server) RequestTx(hashes ...util.Uint256) {
 		return
 	}
 
+	s.txCbHeight.Store(s.chain.BlockHeight())
+
 	for i := 0; i <= len(hashes)/payload.MaxHashesCount; i++ {
 		start := i * payload.MaxHashesCount
 		stop := (i + 1) * payload.MaxHashesCount