diff --git a/crates/uplc/src/tx/eval.rs b/crates/uplc/src/tx/eval.rs
index 9767a986..253dc538 100644
--- a/crates/uplc/src/tx/eval.rs
+++ b/crates/uplc/src/tx/eval.rs
@@ -1,5 +1,5 @@
 use crate::{
-    ast::{DeBruijn, FakeNamedDeBruijn, NamedDeBruijn, Program},
+    ast::{FakeNamedDeBruijn, NamedDeBruijn, Program},
     machine::cost_model::ExBudget,
     PlutusData,
 };
diff --git a/crates/uplc/src/tx/script_context.rs b/crates/uplc/src/tx/script_context.rs
index f865d241..f762e441 100644
--- a/crates/uplc/src/tx/script_context.rs
+++ b/crates/uplc/src/tx/script_context.rs
@@ -1,7 +1,7 @@
 use pallas_codec::utils::KeyValuePairs;
 use pallas_crypto::hash::Hash;
 use pallas_primitives::babbage::{
-    AddrKeyhash, Certificate, Coin, DatumHash, Mint, PlutusData, PolicyId, Redeemer, RewardAccount,
+    AddrKeyhash, Certificate, Coin, DatumHash, PlutusData, PolicyId, Redeemer, RewardAccount,
     StakeCredential, TransactionInput, TransactionOutput, Value, Withdrawals,
 };
 use serde::Deserialize;
diff --git a/crates/uplc/src/tx/to_plutus_data.rs b/crates/uplc/src/tx/to_plutus_data.rs
index 305dfedc..a68b504f 100644
--- a/crates/uplc/src/tx/to_plutus_data.rs
+++ b/crates/uplc/src/tx/to_plutus_data.rs
@@ -3,7 +3,7 @@ use pallas_codec::utils::{AnyUInt, Bytes, Int, KeyValuePairs};
 use pallas_crypto::hash::Hash;
 use pallas_primitives::babbage::{AssetName, BigInt, Constr, Mint, PlutusData, ScriptRef};
 use pallas_primitives::babbage::{
-    Certificate, DatumOption, PolicyId, Redeemer, Script, StakeCredential, TransactionInput,
+    Certificate, DatumOption, Redeemer, Script, StakeCredential, TransactionInput,
     TransactionOutput, Value,
 };
 use pallas_traverse::ComputeHash;
@@ -206,7 +206,7 @@ impl ToPlutusData for Value {
     fn to_plutus_data(&self) -> PlutusData {
         match self {
             Value::Coin(coin) => PlutusData::Map(KeyValuePairs::Def(vec![(
-                PolicyId::from([0; 28]).to_plutus_data(),
+                Bytes::from(vec![]).to_plutus_data(),
                 PlutusData::Map(KeyValuePairs::Def(vec![(
                     AssetName::from(vec![]).to_plutus_data(),
                     coin.to_plutus_data(),
@@ -214,7 +214,7 @@ impl ToPlutusData for Value {
             )])),
             Value::Multiasset(coin, multiassets) => {
                 let mut data_vec: Vec<(PlutusData, PlutusData)> = vec![(
-                    PolicyId::from([0; 28]).to_plutus_data(),
+                    Bytes::from(vec![]).to_plutus_data(),
                     PlutusData::Map(KeyValuePairs::Def(vec![(
                         AssetName::from(vec![]).to_plutus_data(),
                         coin.to_plutus_data(),
@@ -240,7 +240,13 @@ impl ToPlutusData for Value {
 
 impl ToPlutusData for MintValue {
     fn to_plutus_data(&self) -> PlutusData {
-        let mut data_vec: Vec<(PlutusData, PlutusData)> = vec![];
+        let mut data_vec: Vec<(PlutusData, PlutusData)> = vec![(
+            Bytes::from(vec![]).to_plutus_data(),
+            PlutusData::Map(KeyValuePairs::Def(vec![(
+                AssetName::from(vec![]).to_plutus_data(),
+                0_i64.to_plutus_data(),
+            )])),
+        )];
 
         for (policy_id, assets) in self.mint_value.iter() {
             let mut assets_vec = vec![];