diff --git a/yarn-project/aztec-nr/aztec/src/context.nr b/yarn-project/aztec-nr/aztec/src/context.nr
index 00f4892d0d9..ebd5fc51f90 100644
--- a/yarn-project/aztec-nr/aztec/src/context.nr
+++ b/yarn-project/aztec-nr/aztec/src/context.nr
@@ -377,10 +377,26 @@ impl PrivateContext {
 
         let mut reader = Reader::new(fields);
 
+        // Note: Not using PublicCirclePublicInputs::deserialize here, because everything bellow args_hash is 0 and
+        // there is no more data in fields because there is only ENQUEUE_PUBLIC_FUNCTION_CALL_RETURN_SIZE fields!
         let item = PublicCallStackItem {
             contract_address:  AztecAddress::from_field(reader.read()),
             function_data: reader.read_struct(FunctionData::deserialize),
-            public_inputs: reader.read_struct(PublicCircuitPublicInputs::deserialize),
+            public_inputs: PublicCircuitPublicInputs {
+                call_context: reader.read_struct(CallContext::deserialize),
+                args_hash: reader.read(),
+                return_values: [0; RETURN_VALUES_LENGTH],
+                contract_storage_update_requests: [StorageUpdateRequest::empty(); MAX_PUBLIC_DATA_UPDATE_REQUESTS_PER_CALL],
+                contract_storage_reads: [StorageRead::empty(); MAX_PUBLIC_DATA_READS_PER_CALL],
+                public_call_stack_hashes: [0; MAX_PUBLIC_CALL_STACK_LENGTH_PER_CALL],
+                new_commitments: [SideEffect::empty(); MAX_NEW_COMMITMENTS_PER_CALL],
+                new_nullifiers: [SideEffectLinkedToNoteHash::empty(); MAX_NEW_NULLIFIERS_PER_CALL],
+                new_l2_to_l1_msgs:[0; MAX_NEW_L2_TO_L1_MSGS_PER_CALL],
+                unencrypted_logs_hash:[0; NUM_FIELDS_PER_SHA256],
+                unencrypted_log_preimages_length: 0,
+                historical_header: Header::empty(),
+                prover_address: AztecAddress::zero(),
+            },
             is_execution_request: true,
         };
         reader.finish();
diff --git a/yarn-project/aztec-nr/aztec/src/utils.nr b/yarn-project/aztec-nr/aztec/src/utils.nr
index 808f32c719f..a0936a3015b 100644
--- a/yarn-project/aztec-nr/aztec/src/utils.nr
+++ b/yarn-project/aztec-nr/aztec/src/utils.nr
@@ -42,6 +42,7 @@ impl<N> Reader<N> {
         result
     }
 
+    // TODO(#4394)
     pub fn read_struct<T, K>(&mut self, deserialise: fn([Field; K]) -> T) -> T {
         let result = deserialise(self.read_array([0; K]));
         result
diff --git a/yarn-project/noir-protocol-circuits/src/crates/types/src/utils/reader.nr b/yarn-project/noir-protocol-circuits/src/crates/types/src/utils/reader.nr
index cd796ac3cf4..10bfc050fb8 100644
--- a/yarn-project/noir-protocol-circuits/src/crates/types/src/utils/reader.nr
+++ b/yarn-project/noir-protocol-circuits/src/crates/types/src/utils/reader.nr
@@ -22,6 +22,7 @@ impl<N> Reader<N> {
         result
     }
 
+    // TODO(#4394)
     pub fn read_struct<T, K>(&mut self, deserialise: fn([Field; K]) -> T) -> T {
         let result = deserialise(self.read_array([0; K]));
         result