diff --git a/examples/ckbtc/wallet/backend/minter.ts b/examples/ckbtc/wallet/backend/minter.ts
index a4a76f1207..d6b46d1cfa 100644
--- a/examples/ckbtc/wallet/backend/minter.ts
+++ b/examples/ckbtc/wallet/backend/minter.ts
@@ -57,13 +57,7 @@ const UpdateBalanceError = Variant({
     GenericError: Record({ error_message: text, error_code: nat64 })
 });
 
-// TODO: For some reason Result doesn't work.
-// See https://github.com/demergent-labs/azle/issues/1335
-// export const UpdateBalanceResult = Result(Vec(UtxoStatus), UpdateBalanceError);
-export const UpdateBalanceResult = Variant({
-    Ok: Vec(UtxoStatus),
-    Err: UpdateBalanceError
-});
+export const UpdateBalanceResult = Result(Vec(UtxoStatus), UpdateBalanceError);
 
 export const Minter = Canister({
     get_btc_address: update(
diff --git a/src/lib/candid/serde/visitors/index.ts b/src/lib/candid/serde/visitors/index.ts
index 3b2150e865..70d24469b3 100644
--- a/src/lib/candid/serde/visitors/index.ts
+++ b/src/lib/candid/serde/visitors/index.ts
@@ -93,7 +93,7 @@ export function visitVariant(
             );
         }
         if ('Err' in data.js_data) {
-            const errField = fields[0];
+            const errField = fields[1];
             const errData = data.js_data['Err'];
             const errClass = data.candidType._azleErr;
             return Result.Err(