diff --git a/packages/checkout/widgets-lib/src/widgets/sale/functions/utils.ts b/packages/checkout/widgets-lib/src/widgets/sale/functions/utils.ts
index f56ccbdcd1..8e3f94b86a 100644
--- a/packages/checkout/widgets-lib/src/widgets/sale/functions/utils.ts
+++ b/packages/checkout/widgets-lib/src/widgets/sale/functions/utils.ts
@@ -12,3 +12,10 @@ export const sanitizeToLatin1 = (str: string): string => {
   const regex = /[^\u0000-\u00FF]/g; // eslint-disable-line no-control-regex
   return str.replace(regex, '');
 };
+
+export const hexToText = (hex: string): string => {
+  if (hex.length === 0) return '';
+
+  const hexStr = hex.startsWith('0x') ? hex.slice(2) : hex;
+  return Buffer.from(hexStr, 'hex').toString('utf8');
+};
diff --git a/packages/checkout/widgets-lib/src/widgets/sale/hooks/useSignOrder.ts b/packages/checkout/widgets-lib/src/widgets/sale/hooks/useSignOrder.ts
index beea6dc4b2..bd8c2cbe56 100644
--- a/packages/checkout/widgets-lib/src/widgets/sale/hooks/useSignOrder.ts
+++ b/packages/checkout/widgets-lib/src/widgets/sale/hooks/useSignOrder.ts
@@ -13,6 +13,7 @@ import {
   SignPaymentTypes,
 } from '../types';
 import { PRIMARY_SALES_API_BASE_URL } from '../utils/config';
+import { hexToText } from '../functions/utils';
 
 type SignApiTransaction = {
   contract_address: string;
@@ -141,7 +142,11 @@ const toSignResponse = (
       },
       rawData: transaction.raw_data,
     })),
-    transactionId: transactions.find((txn) => txn.method_call.startsWith('execute'))?.params.reference || '',
+    transactionId: hexToText(
+      transactions
+        .find((txn) => txn.method_call.startsWith('execute'))
+        ?.params.reference || '',
+    ),
   };
 };