diff --git a/src/test/fuzz/script_interpreter.cpp b/src/test/fuzz/script_interpreter.cpp
index 26d5732f24..981d9f1d1d 100644
--- a/src/test/fuzz/script_interpreter.cpp
+++ b/src/test/fuzz/script_interpreter.cpp
@@ -25,12 +25,12 @@ void test_one_input(const std::vector<uint8_t>& buffer)
             const CTransaction tx_to{*mtx};
             const unsigned int in = fuzzed_data_provider.ConsumeIntegral<unsigned int>();
             if (in < tx_to.vin.size()) {
-                (void)SignatureHash(script_code, tx_to, in, fuzzed_data_provider.ConsumeIntegral<int>(), ConsumeMoney(fuzzed_data_provider), fuzzed_data_provider.PickValueInArray({SigVersion::BASE, SigVersion::WITNESS_V0}), nullptr);
+                (void)SignatureHash(script_code, tx_to, in, fuzzed_data_provider.ConsumeIntegral<int>(), ConsumeMoney(fuzzed_data_provider), fuzzed_data_provider.PickValueInArray({SigVersion::BASE, SigVersion::WITNESS_V0}), 0, nullptr);
                 const std::optional<CMutableTransaction> mtx_precomputed = ConsumeDeserializable<CMutableTransaction>(fuzzed_data_provider);
                 if (mtx_precomputed) {
                     const CTransaction tx_precomputed{*mtx_precomputed};
                     const PrecomputedTransactionData precomputed_transaction_data{tx_precomputed};
-                    (void)SignatureHash(script_code, tx_to, in, fuzzed_data_provider.ConsumeIntegral<int>(), ConsumeMoney(fuzzed_data_provider), fuzzed_data_provider.PickValueInArray({SigVersion::BASE, SigVersion::WITNESS_V0}), &precomputed_transaction_data);
+                    (void)SignatureHash(script_code, tx_to, in, fuzzed_data_provider.ConsumeIntegral<int>(), ConsumeMoney(fuzzed_data_provider), fuzzed_data_provider.PickValueInArray({SigVersion::BASE, SigVersion::WITNESS_V0}), 0, &precomputed_transaction_data);
                 }
             }
         }
diff --git a/src/test/fuzz/script_sign.cpp b/src/test/fuzz/script_sign.cpp
index 6c65f1ce3a..29fa183ff7 100644
--- a/src/test/fuzz/script_sign.cpp
+++ b/src/test/fuzz/script_sign.cpp
@@ -123,7 +123,7 @@ void test_one_input(const std::vector<uint8_t>& buffer)
                 } else {
                     address = CKeyID{ConsumeUInt160(fuzzed_data_provider)};
                 }
-                (void)signature_creator.CreateSig(provider, vch_sig, address, ConsumeScript(fuzzed_data_provider), fuzzed_data_provider.PickValueInArray({SigVersion::BASE, SigVersion::WITNESS_V0}));
+                (void)signature_creator.CreateSig(provider, vch_sig, address, ConsumeScript(fuzzed_data_provider), fuzzed_data_provider.PickValueInArray({SigVersion::BASE, SigVersion::WITNESS_V0}), 0);
             }
             std::map<COutPoint, Coin> coins;
             while (fuzzed_data_provider.ConsumeBool()) {
diff --git a/src/test/fuzz/signature_checker.cpp b/src/test/fuzz/signature_checker.cpp
index e121c89665..49d2f119d3 100644
--- a/src/test/fuzz/signature_checker.cpp
+++ b/src/test/fuzz/signature_checker.cpp
@@ -28,7 +28,7 @@ public:
     {
     }
 
-    bool CheckECDSASignature(const std::vector<unsigned char>& scriptSig, const std::vector<unsigned char>& vchPubKey, const CScript& scriptCode, SigVersion sigversion) const override
+    bool CheckECDSASignature(const std::vector<unsigned char>& scriptSig, const std::vector<unsigned char>& vchPubKey, const CScript& scriptCode, SigVersion sigversion, unsigned int flags) const override
     {
         return m_fuzzed_data_provider.ConsumeBool();
     }