diff --git a/src/libs/actions/IOU.ts b/src/libs/actions/IOU.ts
index 2cf7c3150e79..67b54910165c 100644
--- a/src/libs/actions/IOU.ts
+++ b/src/libs/actions/IOU.ts
@@ -7071,6 +7071,9 @@ function startSplitBill({
 
     Navigation.dismissModalWithReport({reportID: splitChatReport.reportID});
     notifyNewAction(splitChatReport.reportID, currentUserAccountID);
+
+    // Return the split transactionID for testing purpose
+    return {splitTransactionID: splitTransaction.transactionID};
 }
 
 /** Used for editing a split expense while it's still scanning or when SmartScan fails, it completes a split expense started by startSplitBill above.
@@ -7083,12 +7086,16 @@ function startSplitBill({
  */
 function completeSplitBill(
     chatReportID: string,
-    reportAction: OnyxTypes.ReportAction,
+    reportAction: OnyxEntry<OnyxTypes.ReportAction>,
     updatedTransaction: OnyxEntry<OnyxTypes.Transaction>,
     sessionAccountID: number,
     sessionEmail?: string,
 ) {
-    const parsedComment = getParsedComment(updatedTransaction?.comment?.comment ?? '');
+    if (!reportAction) {
+        return;
+    }
+
+    const parsedComment = getParsedComment(Parser.htmlToMarkdown(updatedTransaction?.comment?.comment ?? ''));
     if (updatedTransaction?.comment) {
         // eslint-disable-next-line no-param-reassign
         updatedTransaction.comment.comment = parsedComment;
diff --git a/tests/actions/IOUTest.ts b/tests/actions/IOUTest.ts
index 8cf87fd84688..3fb70d1acdd7 100644
--- a/tests/actions/IOUTest.ts
+++ b/tests/actions/IOUTest.ts
@@ -13,6 +13,7 @@ import {
     cancelPayment,
     canIOUBePaid,
     canUnapproveIOU,
+    completeSplitBill,
     createDistanceRequest,
     deleteMoneyRequest,
     getIOUReportActionToApproveOrPay,
@@ -28,6 +29,7 @@ import {
     setDraftSplitTransaction,
     setMoneyRequestCategory,
     splitBill,
+    startSplitBill,
     submitReport,
     trackExpense,
     unholdRequest,
@@ -2314,6 +2316,63 @@ describe('actions/IOU', () => {
             });
             expect(report?.participants?.[RORY_ACCOUNT_ID].notificationPreference).toBe(CONST.REPORT.NOTIFICATION_PREFERENCE.ALWAYS);
         });
+
+        it('the description should not be parsed again after completing the scan split bill without changing the description', async () => {
+            const reportID = '1';
+            await Onyx.merge(`${ONYXKEYS.COLLECTION.REPORT}${reportID}`, {
+                reportID,
+                type: CONST.REPORT.TYPE.CHAT,
+                chatType: CONST.REPORT.CHAT_TYPE.GROUP,
+                participants: {
+                    [RORY_ACCOUNT_ID]: {notificationPreference: CONST.REPORT.NOTIFICATION_PREFERENCE.ALWAYS},
+                    [CARLOS_ACCOUNT_ID]: {notificationPreference: CONST.REPORT.NOTIFICATION_PREFERENCE.ALWAYS},
+                },
+            });
+
+            // Start a scan split bill
+            const {splitTransactionID} = startSplitBill({
+                participants: [{accountID: CARLOS_ACCOUNT_ID, login: CARLOS_EMAIL}],
+                currentUserLogin: RORY_EMAIL,
+                currentUserAccountID: RORY_ACCOUNT_ID,
+                comment: '# test',
+                currency: CONST.CURRENCY.USD,
+                existingSplitChatReportID: reportID,
+                receipt: {},
+                category: undefined,
+                tag: undefined,
+                taxCode: '',
+                taxAmount: 0,
+            });
+
+            await waitForBatchedUpdates();
+
+            let splitTransaction = await getOnyxValue(`${ONYXKEYS.COLLECTION.TRANSACTION}${splitTransactionID}`);
+
+            // Then the description should be parsed correctly
+            expect(splitTransaction?.comment?.comment).toBe('<h1>test</h1>');
+
+            const updatedSplitTransaction = splitTransaction
+                ? {
+                      ...splitTransaction,
+                      amount: 100,
+                  }
+                : undefined;
+
+            const reportActions = await getOnyxValue(`${ONYXKEYS.COLLECTION.REPORT_ACTIONS}${reportID}`);
+            const iouAction = Object.values(reportActions ?? {}).find((action) => isActionOfType(action, CONST.REPORT.ACTIONS.TYPE.IOU));
+
+            expect(iouAction).toBeTruthy();
+
+            // Complete this split bill without changing the description
+            completeSplitBill(reportID, iouAction, updatedSplitTransaction, RORY_ACCOUNT_ID, RORY_EMAIL);
+
+            await waitForBatchedUpdates();
+
+            splitTransaction = await getOnyxValue(`${ONYXKEYS.COLLECTION.TRANSACTION}${splitTransactionID}`);
+
+            // Then the description should be the same since it was not changed
+            expect(splitTransaction?.comment?.comment).toBe('<h1>test</h1>');
+        });
     });
 
     describe('saveSplitTransactions', () => {