diff --git a/libraries/chain/include/eosio/chain/webassembly/interface.hpp b/libraries/chain/include/eosio/chain/webassembly/interface.hpp
index bf40b47a7e..f93225c5e2 100644
--- a/libraries/chain/include/eosio/chain/webassembly/interface.hpp
+++ b/libraries/chain/include/eosio/chain/webassembly/interface.hpp
@@ -180,7 +180,7 @@ namespace webassembly {
           *  struct abi_finalizer_authority {
           *     std::string              description;
           *     uint64_t                 fweight = 0; // weight that this finalizer's vote has for meeting fthreshold
-          *     std::array<uint8_t, 144> public_key_g1_jacobian;
+          *     std::array<uint8_t, 96>  public_key_g1_affine_le;
           *  };
           *  struct abi_finalizer_set {
           *     uint64_t                             fthreshold = 0;
diff --git a/libraries/chain/webassembly/privileged.cpp b/libraries/chain/webassembly/privileged.cpp
index 5aa052e4e8..a447154390 100644
--- a/libraries/chain/webassembly/privileged.cpp
+++ b/libraries/chain/webassembly/privileged.cpp
@@ -156,7 +156,7 @@ namespace eosio { namespace chain { namespace webassembly {
    struct abi_finalizer_authority {
       std::string              description;
       uint64_t                 fweight = 0; // weight that this finalizer's vote has for meeting fthreshold
-      std::array<uint8_t, 144> public_key_g1_jacobian;
+      std::array<uint8_t, 96>  public_key_g1_affine_le;
    };
    struct abi_finalizer_set {
       uint64_t                             fthreshold = 0;
@@ -183,7 +183,7 @@ namespace eosio { namespace chain { namespace webassembly {
          EOS_ASSERT( f.description.size() <= config::max_finalizer_description_size, wasm_execution_error,
                      "Finalizer description greater than ${s}", ("s", config::max_finalizer_description_size) );
          f_weight_sum += f.fweight;
-         std::optional<bls12_381::g1> pk = bls12_381::g1::fromJacobianBytesLE(f.public_key_g1_jacobian);
+         std::optional<bls12_381::g1> pk = bls12_381::g1::fromAffineBytesLE(f.public_key_g1_affine_le);
          EOS_ASSERT( pk, wasm_execution_error, "Invalid public key for: ${d}", ("d", f.description) );
          finset.finalizers.push_back(finalizer_authority{.description = std::move(f.description),
                                                          .fweight = f.fweight,
@@ -272,5 +272,5 @@ namespace eosio { namespace chain { namespace webassembly {
    }
 }}} // ns eosio::chain::webassembly
 
-FC_REFLECT(eosio::chain::webassembly::abi_finalizer_authority, (description)(fweight)(public_key_g1_jacobian));
+FC_REFLECT(eosio::chain::webassembly::abi_finalizer_authority, (description)(fweight)(public_key_g1_affine_le));
 FC_REFLECT(eosio::chain::webassembly::abi_finalizer_set, (fthreshold)(finalizers));
\ No newline at end of file