diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8004740..86c5092 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -68,7 +68,7 @@ set(
     ${MONERO_SRC}/cryptonote_basic/cryptonote_format_utils.cpp
     ${MONERO_SRC}/crypto/crypto.cpp
     ${MONERO_SRC}/crypto/hash.c
-    ${MONERO_SRC}/crypto/slow-hash.c
+    ${MONERO_SRC}/crypto/slow-hash-dummied.cpp
     ${MONERO_SRC}/crypto/oaes_lib.c
     ${MONERO_SRC}/crypto/crypto-ops.c
     ${MONERO_SRC}/crypto/crypto-ops-data.c
diff --git a/contrib/monero-core-custom b/contrib/monero-core-custom
index a080988..4f29efe 160000
--- a/contrib/monero-core-custom
+++ b/contrib/monero-core-custom
@@ -1 +1 @@
-Subproject commit a0809886bee0f7872ce5d7ad9465736b05407efe
+Subproject commit 4f29efe73f06af98037a65d2eb1332267555cd97
diff --git a/src/monero_transfer_utils.cpp b/src/monero_transfer_utils.cpp
index 3bb27e4..4d11a06 100644
--- a/src/monero_transfer_utils.cpp
+++ b/src/monero_transfer_utils.cpp
@@ -459,7 +459,12 @@ void monero_transfer_utils::create_transaction(
 	//
 	uint32_t fake_outputs_count = fixed_mixinsize();
 	bool bulletproof = true;
-	const rct::RangeProofType range_proof_type = bulletproof ? rct::RangeProofPaddedBulletproof : rct::RangeProofBorromean;
+	rct::RangeProofType range_proof_type = bulletproof ? rct::RangeProofPaddedBulletproof : rct::RangeProofBorromean;
+	int bp_version = bulletproof ? (use_fork_rules_fn(HF_VERSION_SMALLER_BP, -10) ? 2 : 1) : 0;
+	const rct::RCTConfig rct_config {
+		range_proof_type,
+		bp_version,
+	};
 	//
 	if (mix_outs.size() != outputs.size() && fake_outputs_count != 0) {
 		retVals.errCode = wrongNumberOfMixOutsProvided;
@@ -663,7 +668,7 @@ void monero_transfer_utils::create_transaction(
 		sender_account_keys, subaddresses,
 		sources, splitted_dsts, change_dst.addr, extra,
 		tx, unlock_time, tx_key, additional_tx_keys,
-		true, range_proof_type,
+		true, rct_config,
 		/*m_multisig ? &msout : */NULL
 	);
 	LOG_PRINT_L2("constructed tx, r="<<r);