1 files changed, 1 insertions, 0 deletions
diff --git a/src/txmempool.h b/src/txmempool.h
index 32c404d0dd..73904cc370 100644
--- a/src/txmempool.h
+++ b/src/txmempool.h
@@ -572,6 +572,7 @@ public:
     const CFeeRate m_min_relay_feerate;
     const CFeeRate m_dust_relay_feerate;
     const bool m_permit_bare_multisig;
+    const std::optional<unsigned> m_max_datacarrier_bytes;
     const bool m_require_standard;
     const bool m_full_rbf;