diff --git a/src/languages/en.ts b/src/languages/en.ts
index b5adf3db2d2e4..a225c5f01d339 100755
--- a/src/languages/en.ts
+++ b/src/languages/en.ts
@@ -1443,7 +1443,7 @@ const translations = {
             lossOfUnsubmittedData: `Merging your accounts is irreversible and will result in the loss of any unsubmitted expenses for `,
             enterMagicCode: `To continue, please enter the magic code sent to `,
             errors: {
-                incorrect2fa: 'Incorrect two-factor authentication code. Please try again.',
+                incorrectMagicCode: 'Incorrect or invalid magic code. Please try again or request a new code.',
                 fallback: 'Something went wrong. Please try again later.',
             },
         },
diff --git a/src/languages/es.ts b/src/languages/es.ts
index dc4cdc9fa59a1..c6ac17afdc32f 100644
--- a/src/languages/es.ts
+++ b/src/languages/es.ts
@@ -1442,7 +1442,7 @@ const translations = {
             lossOfUnsubmittedData: `Fusionar tus cuentas es irreversible y resultará en la pérdida de cualquier gasto no enviado de `,
             enterMagicCode: `Para continuar, por favor introduce el código mágico enviado a `,
             errors: {
-                incorrect2fa: 'Código de autenticación de dos factores incorrecto. Por favor, inténtalo de nuevo.',
+                incorrectMagicCode: 'Código mágico incorrecto o no válido. Inténtalo de nuevo o solicita otro código.',
                 fallback: 'Ha ocurrido un error. Por favor, inténtalo mas tarde.',
             },
         },
diff --git a/src/libs/Navigation/AppNavigator/ModalStackNavigators/index.tsx b/src/libs/Navigation/AppNavigator/ModalStackNavigators/index.tsx
index bd13b29b1dd4b..f8c0b519c996e 100644
--- a/src/libs/Navigation/AppNavigator/ModalStackNavigators/index.tsx
+++ b/src/libs/Navigation/AppNavigator/ModalStackNavigators/index.tsx
@@ -2,6 +2,7 @@ import type {ParamListBase} from '@react-navigation/routers';
 import React from 'react';
 import createPlatformStackNavigator from '@libs/Navigation/PlatformStackNavigation/createPlatformStackNavigator';
 import Animations from '@libs/Navigation/PlatformStackNavigation/navigationOptions/animation';
+import type {PlatformStackNavigationOptions} from '@libs/Navigation/PlatformStackNavigation/types';
 import type {
     AddPersonalBankAccountNavigatorParamList,
     AddUnreportedExpensesParamList,
@@ -47,6 +48,12 @@ import useModalStackScreenOptions from './useModalStackScreenOptions';
 
 type Screens = Partial<Record<Screen, () => React.ComponentType>>;
 
+const OPTIONS_PER_SCREEN: Partial<Record<Screen, PlatformStackNavigationOptions>> = {
+    [SCREENS.SETTINGS.MERGE_ACCOUNTS.MERGE_RESULT]: {
+        animationTypeForReplace: 'push',
+    },
+};
+
 /**
  * Create a modal stack navigator with an array of sub-screens.
  *
@@ -66,6 +73,7 @@ function createModalStackNavigator<ParamList extends ParamListBase>(screens: Scr
                         key={name}
                         name={name}
                         getComponent={(screens as Required<Screens>)[name as Screen]}
+                        options={OPTIONS_PER_SCREEN[name as Screen]}
                     />
                 ))}
             </ModalStackNavigator.Navigator>
diff --git a/src/pages/settings/Security/MergeAccounts/AccountValidatePage.tsx b/src/pages/settings/Security/MergeAccounts/AccountValidatePage.tsx
index 0df368c1ac4a8..614dfb3bf62fe 100644
--- a/src/pages/settings/Security/MergeAccounts/AccountValidatePage.tsx
+++ b/src/pages/settings/Security/MergeAccounts/AccountValidatePage.tsx
@@ -65,7 +65,7 @@ const getAuthenticationErrorKey = (err: string): TranslationPaths | null => {
     }
 
     if (err.includes('Invalid validateCode')) {
-        return 'mergeAccountsPage.accountValidate.errors.incorrect2fa';
+        return 'mergeAccountsPage.accountValidate.errors.incorrectMagicCode';
     }
 
     return 'mergeAccountsPage.accountValidate.errors.fallback';
@@ -137,7 +137,7 @@ function AccountValidatePage() {
             <HeaderWithBackButton
                 title={translate('mergeAccountsPage.mergeAccount')}
                 onBackButtonPress={() => {
-                    Navigation.goBack(ROUTES.SETTINGS_MERGE_ACCOUNTS.getRoute(email));
+                    Navigation.goBack(ROUTES.SETTINGS_MERGE_ACCOUNTS.getRoute());
                 }}
                 shouldDisplayHelpButton={false}
             />
diff --git a/src/pages/settings/Security/MergeAccounts/MergeResultPage.tsx b/src/pages/settings/Security/MergeAccounts/MergeResultPage.tsx
index 8f92059e34cae..dadce46094b20 100644
--- a/src/pages/settings/Security/MergeAccounts/MergeResultPage.tsx
+++ b/src/pages/settings/Security/MergeAccounts/MergeResultPage.tsx
@@ -1,6 +1,7 @@
 import HybridAppModule from '@expensify/react-native-hybrid-app';
 import {useRoute} from '@react-navigation/native';
-import React, {useContext, useMemo} from 'react';
+import React, {useContext, useEffect, useMemo} from 'react';
+import {InteractionManager} from 'react-native';
 import {useOnyx} from 'react-native-onyx';
 import type {ValueOf} from 'type-fest';
 import ConfirmationPage from '@components/ConfirmationPage';
@@ -23,7 +24,7 @@ import CONFIG from '@src/CONFIG';
 import CONST from '@src/CONST';
 import ONYXKEYS from '@src/ONYXKEYS';
 import ROUTES from '@src/ROUTES';
-import type SCREENS from '@src/SCREENS';
+import SCREENS from '@src/SCREENS';
 
 function MergeResultPage() {
     const styles = useThemeStyles();
@@ -228,6 +229,20 @@ function MergeResultPage() {
         };
     }, [setRootStatusBarEnabled, login, translate, userEmailOrPhone, styles]);
 
+    useEffect(() => {
+        /**
+         * If the result is success, we need to remove the initial screen from the navigation state
+         * so that the back button closes the modal instead of going back to the initial screen.
+         */
+        if (result !== CONST.MERGE_ACCOUNT_RESULTS.SUCCESS) {
+            return;
+        }
+
+        InteractionManager.runAfterInteractions(() => {
+            Navigation.removeScreenFromNavigationState(SCREENS.SETTINGS.MERGE_ACCOUNTS.ACCOUNT_DETAILS);
+        });
+    }, [result]);
+
     const {
         heading,
         headingStyle,
@@ -253,7 +268,7 @@ function MergeResultPage() {
                 title={translate('mergeAccountsPage.mergeAccount')}
                 shouldShowBackButton={result !== CONST.MERGE_ACCOUNT_RESULTS.SUCCESS}
                 onBackButtonPress={() => {
-                    Navigation.goBack(ROUTES.SETTINGS_MERGE_ACCOUNTS.getRoute(login));
+                    Navigation.goBack(ROUTES.SETTINGS_MERGE_ACCOUNTS.getRoute());
                 }}
                 shouldDisplayHelpButton={false}
             />