diff --git a/modules/abstract-utxo/src/abstractUtxoCoin.ts b/modules/abstract-utxo/src/abstractUtxoCoin.ts
index 5348ac1416..d5726bfaef 100644
--- a/modules/abstract-utxo/src/abstractUtxoCoin.ts
+++ b/modules/abstract-utxo/src/abstractUtxoCoin.ts
@@ -1460,9 +1460,10 @@ export abstract class AbstractUtxoCoin extends BaseCoin {
 
   async getExtraPrebuildParams(buildParams: ExtraPrebuildParamsOptions & { wallet: Wallet }): Promise<{
     txFormat?: 'legacy' | 'psbt';
-    addressType?: ScriptType2Of3;
+    changeAddressType?: ScriptType2Of3;
   }> {
-    let txFormat, addressType;
+    let txFormat = buildParams.txFormat as 'legacy' | 'psbt' | undefined;
+    let changeAddressType = buildParams.changeAddressType as ScriptType2Of3 | undefined;
 
     // if the txFormat is not specified, we need to default to psbt for distributed custody wallets or testnet hot wallets
     if (
@@ -1481,12 +1482,12 @@ export abstract class AbstractUtxoCoin extends BaseCoin {
       buildParams.wallet.type() === 'hot' &&
       this.network === utxolib.networks.testnet
     ) {
-      addressType = 'p2trMusig2';
+      changeAddressType = 'p2trMusig2';
     }
 
     return {
       txFormat,
-      addressType,
+      changeAddressType,
     };
   }
 
diff --git a/modules/bitgo/test/v2/unit/wallet.ts b/modules/bitgo/test/v2/unit/wallet.ts
index dacbcd9244..7af00e3c7f 100644
--- a/modules/bitgo/test/v2/unit/wallet.ts
+++ b/modules/bitgo/test/v2/unit/wallet.ts
@@ -71,7 +71,7 @@ describe('V2 Wallet:', function () {
   const bgUrl = common.Environments[bitgo.getEnv()].uri;
   const address1 = '0x174cfd823af8ce27ed0afee3fcf3c3ba259116be';
   const address2 = '0x7e85bdc27c050e3905ebf4b8e634d9ad6edd0de6';
-  const tbtcHotWalletDefaultParams = { txFormat: 'psbt', addressType: 'p2trMusig2' };
+  const tbtcHotWalletDefaultParams = { txFormat: 'psbt', changeAddressType: 'p2trMusig2' };
 
   afterEach(function () {
     sinon.restore();