diff --git a/barretenberg/cpp/src/barretenberg/stdlib_circuit_builders/flavor_serialization.test.cpp b/barretenberg/cpp/src/barretenberg/stdlib_circuit_builders/flavor_serialization.test.cpp
index 162385bdcba..9be4c730815 100644
--- a/barretenberg/cpp/src/barretenberg/stdlib_circuit_builders/flavor_serialization.test.cpp
+++ b/barretenberg/cpp/src/barretenberg/stdlib_circuit_builders/flavor_serialization.test.cpp
@@ -47,6 +47,12 @@ TYPED_TEST(FlavorSerializationTests, VerificationKeySerialization)
     // Set the pcs ptr to null since this will not be reconstructed correctly from buffer
     original_vkey.pcs_verification_key = nullptr;
 
+    // probably not needed
+    if constexpr (DoesRecursiveIPA<TypeParam>) {
+        original_vkey.contains_ipa_claim = 0;
+        original_vkey.ipa_claim_public_input_indices =
+            std::array<uint32_t, IPA_CLAIM_SIZE>{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
+    }
     // Populate some non-zero values in the databus_propagation_data to ensure its being handled
     if constexpr (IsMegaBuilder<Builder>) {
         original_vkey.databus_propagation_data.app_return_data_public_input_idx = 2;
diff --git a/barretenberg/cpp/src/barretenberg/stdlib_circuit_builders/ultra_flavor.hpp b/barretenberg/cpp/src/barretenberg/stdlib_circuit_builders/ultra_flavor.hpp
index 4a39bdbfba7..1fc4281c793 100644
--- a/barretenberg/cpp/src/barretenberg/stdlib_circuit_builders/ultra_flavor.hpp
+++ b/barretenberg/cpp/src/barretenberg/stdlib_circuit_builders/ultra_flavor.hpp
@@ -476,6 +476,8 @@ class UltraFlavor {
                         const uint64_t pub_inputs_offset,
                         const bool contains_pairing_point_accumulator,
                         const PairingPointAccumulatorPubInputIndices& pairing_point_accumulator_public_input_indices,
+                        const bool contains_ipa_claim,
+                        const IPAClaimPubInputIndices& ipa_claim_public_input_indices,
                         const Commitment& q_m,
                         const Commitment& q_c,
                         const Commitment& q_l,
@@ -503,6 +505,8 @@ class UltraFlavor {
                         const Commitment& table_4,
                         const Commitment& lagrange_first,
                         const Commitment& lagrange_last)
+            : contains_ipa_claim(contains_ipa_claim)
+            , ipa_claim_public_input_indices(ipa_claim_public_input_indices)
         {
             this->circuit_size = circuit_size;
             this->log_circuit_size = numeric::get_msb(this->circuit_size);
@@ -546,6 +550,8 @@ class UltraFlavor {
                        pub_inputs_offset,
                        contains_pairing_point_accumulator,
                        pairing_point_accumulator_public_input_indices,
+                       contains_ipa_claim,
+                       ipa_claim_public_input_indices,
                        q_m,
                        q_c,
                        q_l,