diff --git a/src/CONST.ts b/src/CONST.ts
index 4c694ad78de6..99084a2c7080 100755
--- a/src/CONST.ts
+++ b/src/CONST.ts
@@ -6634,10 +6634,10 @@ const CONST = {
         },
     },
     LAST_PAYMENT_METHOD: {
-        DEFAULT: 'DEFAULT',
-        IOU: 'IOU',
-        EXPENSE: 'EXPENSE',
-        INVOICE: 'INVOICE',
+        LAST_USED: 'lastUsed',
+        IOU: 'Iou',
+        EXPENSE: 'Expense',
+        INVOICE: 'Invoice',
     },
     SKIPPABLE_COLLECTION_MEMBER_IDS: [String(DEFAULT_NUMBER_ID), '-1', 'undefined', 'null', 'NaN'] as string[],
     SETUP_SPECIALIST_LOGIN: 'Setup Specialist',
diff --git a/src/components/Search/SearchPageHeader.tsx b/src/components/Search/SearchPageHeader.tsx
index 2cfcbc6f00cd..3c62498ffd4d 100644
--- a/src/components/Search/SearchPageHeader.tsx
+++ b/src/components/Search/SearchPageHeader.tsx
@@ -150,14 +150,14 @@ function SearchPageHeader({queryJSON}: SearchPageHeaderProps) {
                           report.action === CONST.SEARCH.ACTION_TYPES.PAY &&
                           report.policyID &&
                           ((!!lastPaymentMethods[report.policyID] && typeof lastPaymentMethods[report.policyID] === 'string') ||
-                              !!(lastPaymentMethods[report.policyID] as LastPaymentMethodType)?.DEFAULT),
+                              !!(lastPaymentMethods[report.policyID] as LastPaymentMethodType)?.lastUsed),
                   )
                 : selectedTransactionsKeys.every(
                       (id) =>
                           selectedTransactions[id].action === CONST.SEARCH.ACTION_TYPES.PAY &&
                           selectedTransactions[id].policyID &&
                           ((!!lastPaymentMethods[selectedTransactions[id].policyID] && typeof lastPaymentMethods[selectedTransactions[id].policyID] === 'string') ||
-                              !!(lastPaymentMethods[selectedTransactions[id].policyID] as LastPaymentMethodType).DEFAULT),
+                              !!(lastPaymentMethods[selectedTransactions[id].policyID] as LastPaymentMethodType).lastUsed),
                   ));
 
         if (shouldShowPayOption) {
diff --git a/src/components/SettlementButton/index.tsx b/src/components/SettlementButton/index.tsx
index c4454b32e52b..bca6765d099f 100644
--- a/src/components/SettlementButton/index.tsx
+++ b/src/components/SettlementButton/index.tsx
@@ -80,7 +80,7 @@ function SettlementButton({
             if (typeof paymentMethod?.[policyIDKey] === 'string') {
                 return paymentMethod?.[policyIDKey];
             }
-            return (paymentMethod?.[policyIDKey] as LastPaymentMethodType)?.DEFAULT;
+            return (paymentMethod?.[policyIDKey] as LastPaymentMethodType)?.lastUsed;
         },
     });
 
diff --git a/src/libs/actions/Search.ts b/src/libs/actions/Search.ts
index 062aab2eedb3..a5b9d8f9d7b2 100644
--- a/src/libs/actions/Search.ts
+++ b/src/libs/actions/Search.ts
@@ -85,7 +85,7 @@ function getLastPolicyPaymentMethod(policyID: string | undefined, lastPaymentMet
     if (typeof lastPaymentMethods?.[policyID] === 'string') {
         lastPolicyPaymentMethod = lastPaymentMethods?.[policyID] as ValueOf<typeof CONST.IOU.PAYMENT_TYPE>;
     } else {
-        lastPolicyPaymentMethod = (lastPaymentMethods?.[policyID] as LastPaymentMethodType)?.DEFAULT as ValueOf<typeof CONST.IOU.PAYMENT_TYPE>;
+        lastPolicyPaymentMethod = (lastPaymentMethods?.[policyID] as LastPaymentMethodType)?.lastUsed as ValueOf<typeof CONST.IOU.PAYMENT_TYPE>;
     }
 
     return lastPolicyPaymentMethod;
@@ -97,7 +97,7 @@ function getPayActionCallback(hash: number, item: TransactionListItemType | Repo
         if (typeof lastPaymentMethod?.[item.policyID] === 'string') {
             lastPolicyPaymentMethod = lastPaymentMethod?.[item.policyID] as ValueOf<typeof CONST.IOU.PAYMENT_TYPE>;
         } else {
-            lastPolicyPaymentMethod = (lastPaymentMethod?.[item.policyID] as LastPaymentMethodType)?.DEFAULT as ValueOf<typeof CONST.IOU.PAYMENT_TYPE>;
+            lastPolicyPaymentMethod = (lastPaymentMethod?.[item.policyID] as LastPaymentMethodType)?.lastUsed as ValueOf<typeof CONST.IOU.PAYMENT_TYPE>;
         }
     }
 
diff --git a/src/types/onyx/LastPaymentMethod.ts b/src/types/onyx/LastPaymentMethod.ts
index fb7038eaceb3..3e2a5156289d 100644
--- a/src/types/onyx/LastPaymentMethod.ts
+++ b/src/types/onyx/LastPaymentMethod.ts
@@ -3,13 +3,13 @@
  */
 type LastPaymentMethodType = {
     /** The default last payment method, this one holds the existing data of the old lastPaymentMethod value which is string */
-    DEFAULT: string;
+    lastUsed: string;
     /** The lastPaymentMethod of an IOU */
-    IOU: string;
+    Iou: string;
     /** The lastPaymentMethod of an Expense */
-    EXPENSE: string;
+    Expense: string;
     /** The lastPaymentMethod of an Invoice */
-    INVOICE: string;
+    Invoice: string;
 };
 
 /** Record of last payment methods, indexed by policy id */