diff --git a/cpp/src/barretenberg/crypto/ecdsa/ecdsa_impl.hpp b/cpp/src/barretenberg/crypto/ecdsa/ecdsa_impl.hpp
index c890c69e2f..2920b420b3 100644
--- a/cpp/src/barretenberg/crypto/ecdsa/ecdsa_impl.hpp
+++ b/cpp/src/barretenberg/crypto/ecdsa/ecdsa_impl.hpp
@@ -40,7 +40,7 @@ signature construct_signature(const std::string& message, const key_pair<Fr, G1>
     bool is_r_finite = (uint256_t(r_fq) == uint256_t(r_fr));
     bool y_parity = uint256_t(R.y).get_bit(0);
     constexpr uint8_t offset = 27;
-    sig.v = offset + y_parity + uint8_t(2) * !is_r_finite;
+    sig.v = offset + y_parity + static_cast<uint8_t>(2) * !is_r_finite;
     return sig;
 }