diff --git a/src/net_processing.h b/src/net_processing.h
index 39c22d71188..4189debe4c1 100644
--- a/src/net_processing.h
+++ b/src/net_processing.h
@@ -18,7 +18,7 @@ static const unsigned int DEFAULT_MAX_ORPHAN_TRANSACTIONS = 100;
 /** Default number of orphan+recently-replaced txn to keep around for block reconstruction */
 static const unsigned int DEFAULT_BLOCK_RECONSTRUCTION_EXTRA_TXN = 100;
 /** Default for BIP61 (sending reject messages) */
-static constexpr bool DEFAULT_ENABLE_BIP61{false};
+static constexpr bool DEFAULT_ENABLE_BIP61{true};
 
 class PeerLogicValidation final : public CValidationInterface, public NetEventsInterface {
 private: