diff --git a/packages/core/admin/admin/src/content-manager/components/RelationInputDataManager/RelationInputDataManager.js b/packages/core/admin/admin/src/content-manager/components/RelationInputDataManager/RelationInputDataManager.js
index ad023e4628..d7fb71e2c8 100644
--- a/packages/core/admin/admin/src/content-manager/components/RelationInputDataManager/RelationInputDataManager.js
+++ b/packages/core/admin/admin/src/content-manager/components/RelationInputDataManager/RelationInputDataManager.js
@@ -6,7 +6,6 @@ import get from 'lodash/get';
 import pick from 'lodash/pick';
 import take from 'lodash/take';
 import isNil from 'lodash/isNil';
-import findIndex from 'lodash/findIndex';
 
 import { useCMEditViewDataManager, NotAllowedInput } from '@strapi/helper-plugin';
 
@@ -54,16 +53,16 @@ export const RelationInputDataManager = ({
   const initialDataPath = [];
   const nameSplit = name.split('.');
   nameSplit.reduce((acc, currentValue, index) => {
-    const pathSoFar = take(nameSplit, index);
+    const initialDataParent = get(initialData, initialDataPath);
+    const modifiedDataTempKey = get(modifiedData, [
+      ...take(nameSplit, index),
+      currentValue,
+      '__temp_key__',
+    ]);
 
-    const initialDataParent = get(initialData, pathSoFar);
-    const modifiedDataValue = get(modifiedData, [...pathSoFar, currentValue]);
-    const tempKey = get(modifiedDataValue, '__temp_key__');
-
-    if (!isNil(tempKey) && Array.isArray(initialDataParent)) {
-      const initialDataIndex = findIndex(
-        initialDataParent,
-        (entry) => entry.__temp_key__ === tempKey
+    if (!isNil(modifiedDataTempKey) && Array.isArray(initialDataParent)) {
+      const initialDataIndex = initialDataParent.findIndex(
+        (entry) => entry.__temp_key__ === modifiedDataTempKey
       );
       acc.push(`${initialDataIndex}`);
 
diff --git a/packages/core/admin/admin/src/content-manager/components/RelationInputDataManager/tests/RelationInputDataManger.test.js b/packages/core/admin/admin/src/content-manager/components/RelationInputDataManager/tests/RelationInputDataManger.test.js
index 1455944b31..634f73b6e7 100644
--- a/packages/core/admin/admin/src/content-manager/components/RelationInputDataManager/tests/RelationInputDataManger.test.js
+++ b/packages/core/admin/admin/src/content-manager/components/RelationInputDataManager/tests/RelationInputDataManger.test.js
@@ -688,10 +688,6 @@ describe('RelationInputDataManager', () => {
   test('correctly computes modified and initial data paths for nested content and passes this to useRelation', async () => {
     const initialData = {
       dz: [
-        {
-          __component: 'default.blank',
-          __temp_key__: 6,
-        },
         {
           __component: 'default.withToManyComponentRelation',
           __temp_key__: 7,
@@ -708,6 +704,10 @@ describe('RelationInputDataManager', () => {
             },
           ],
         },
+        {
+          __component: 'default.blank',
+          __temp_key__: 6,
+        },
       ],
     };
 
@@ -753,7 +753,7 @@ describe('RelationInputDataManager', () => {
     expect(useRelation).toBeCalledWith(
       expect.any(String),
       expect.objectContaining({
-        initialDataPath: ['initialData', 'dz', '1', 'toManyRelation', '1', 'publishers'],
+        initialDataPath: ['initialData', 'dz', '0', 'toManyRelation', '1', 'publishers'],
         modifiedDataPath: ['modifiedData', 'dz', '1', 'toManyRelation', '0', 'publishers'],
       })
     );