diff --git a/src/libs/actions/IOU.js b/src/libs/actions/IOU.js
index aa07f0e7ca34..a14358fc0582 100644
--- a/src/libs/actions/IOU.js
+++ b/src/libs/actions/IOU.js
@@ -765,7 +765,8 @@ function updateDistanceRequest(transactionID, transactionThreadReportID, transac
 
     // Optimistically modify the transaction
     optimisticData.push({
-        onyxMethod: Onyx.METHOD.MERGE,
+        // We need to use SET method to save updated waypoint instead MERGE method to avoid wrong update of waypoints. More detail: https://github.com/Expensify/App/issues/30290#issuecomment-1778957070
+        onyxMethod: Onyx.METHOD.SET,
         key: `${ONYXKEYS.COLLECTION.TRANSACTION}${transactionID}`,
         value: {
             ...updatedTransaction,