diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2a5a5dc5b..5c46a0f8b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 
+- Relaxed the check for duplicates in the preview step of the activities import (allow same day)
 - Respected the `withExcludedAccounts` flag in the account balance time series
 
 ### Fixed
@@ -170,7 +171,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 
-- Improved the check for duplicates in the preview step of the activities import (allow different accounts)
+- Relaxed the check for duplicates in the preview step of the activities import (allow different accounts)
 - Improved the usability and validation in the cash balance transfer from one to another account
 - Changed the checkboxes to slide toggles in the overview of the admin control panel
 - Switched from the deprecated (`PUT`) to the new endpoint (`POST`) to manage historical market data in the asset profile details dialog of the admin control panel
diff --git a/apps/api/src/app/import/import.service.ts b/apps/api/src/app/import/import.service.ts
index eb556421d..f89c57770 100644
--- a/apps/api/src/app/import/import.service.ts
+++ b/apps/api/src/app/import/import.service.ts
@@ -26,7 +26,7 @@ import {
 import { Injectable } from '@nestjs/common';
 import { DataSource, Prisma, SymbolProfile } from '@prisma/client';
 import Big from 'big.js';
-import { endOfToday, format, isAfter, isSameDay, parseISO } from 'date-fns';
+import { endOfToday, format, isAfter, isSameSecond, parseISO } from 'date-fns';
 import { uniqBy } from 'lodash';
 import { v4 as uuidv4 } from 'uuid';
 
@@ -83,12 +83,13 @@ export class ImportService {
 
         const value = new Big(quantity).mul(marketPrice).toNumber();
 
+        const date = parseDate(dateString);
         const isDuplicate = orders.some((activity) => {
           return (
             activity.accountId === Account?.id &&
             activity.SymbolProfile.currency === assetProfile.currency &&
             activity.SymbolProfile.dataSource === assetProfile.dataSource &&
-            isSameDay(activity.date, parseDate(dateString)) &&
+            isSameSecond(activity.date, date) &&
             activity.quantity === quantity &&
             activity.SymbolProfile.symbol === assetProfile.symbol &&
             activity.type === 'DIVIDEND' &&
@@ -102,6 +103,7 @@ export class ImportService {
 
         return {
           Account,
+          date,
           error,
           quantity,
           value,
@@ -109,7 +111,6 @@ export class ImportService {
           accountUserId: undefined,
           comment: undefined,
           createdAt: undefined,
-          date: parseDate(dateString),
           fee: 0,
           feeInBaseCurrency: 0,
           id: assetProfile.id,
@@ -482,13 +483,13 @@ export class ImportService {
         type,
         unitPrice
       }) => {
-        const date = parseISO(<string>(<unknown>dateString));
+        const date = parseISO(dateString);
         const isDuplicate = existingActivities.some((activity) => {
           return (
             activity.accountId === accountId &&
             activity.SymbolProfile.currency === currency &&
             activity.SymbolProfile.dataSource === dataSource &&
-            isSameDay(activity.date, date) &&
+            isSameSecond(activity.date, date) &&
             activity.fee === fee &&
             activity.quantity === quantity &&
             activity.SymbolProfile.symbol === symbol &&