diff --git a/src/collections/domain/models/CollectionItemSubset.ts b/src/collections/domain/models/CollectionItemSubset.ts
index 681b7db5..aecd038f 100644
--- a/src/collections/domain/models/CollectionItemSubset.ts
+++ b/src/collections/domain/models/CollectionItemSubset.ts
@@ -9,11 +9,8 @@ export interface CollectionItemSubset {
 }
 
 export interface CollectionItemsFacet {
-  [key: string]: CollectionItemsFacetValue
-}
-
-interface CollectionItemsFacetValue {
-  friendly: string
+  name: string
+  friendlyName: string
   labels: CollectionItemsFacetLabel[]
 }
 
diff --git a/src/collections/infra/repositories/transformers/collectionTransformers.ts b/src/collections/infra/repositories/transformers/collectionTransformers.ts
index 5139e960..68f730c6 100644
--- a/src/collections/infra/repositories/transformers/collectionTransformers.ts
+++ b/src/collections/infra/repositories/transformers/collectionTransformers.ts
@@ -107,13 +107,12 @@ export const transformCollectionItemsResponseToCollectionItemSubset = (
 
   const transformedFacets: CollectionItemsFacet[] = Object.entries(facets[0]).map(
     ([key, facetData]) => ({
-      [key]: {
-        friendly: facetData.friendly,
-        labels: facetData.labels.map((label: Record<string, number>) => {
-          const [name, count] = Object.entries(label)[0]
-          return { name, count }
-        })
-      }
+      name: key,
+      friendlyName: facetData.friendly,
+      labels: facetData.labels.map((label: Record<string, number>) => {
+        const [name, count] = Object.entries(label)[0]
+        return { name, count }
+      })
     })
   )
 
diff --git a/test/integration/collections/CollectionsRepository.test.ts b/test/integration/collections/CollectionsRepository.test.ts
index 3f68e3ca..bff0f6a5 100644
--- a/test/integration/collections/CollectionsRepository.test.ts
+++ b/test/integration/collections/CollectionsRepository.test.ts
@@ -301,63 +301,63 @@ describe('CollectionsRepository', () => {
       //prettier-ignore
       const expectedFacetsAll = [
         {
-          dvCategory: { friendly: 'Dataverse Category', labels: [{ name: 'Laboratory', count: 1 }] }
+          name: 'dvCategory', friendlyName: 'Dataverse Category', labels: [{ name: 'Laboratory', count: 1 }]
         },
         {
-          publicationStatus: { friendly: 'Publication Status', labels: [{ name: 'Unpublished', count: 3 },{ name: 'Draft', count: 2 }] }
+          name: 'publicationStatus', friendlyName: 'Publication Status', labels: [{ name: 'Unpublished', count: 3 },{ name: 'Draft', count: 2 }]
         },
         {
-          authorName_ss: { friendly: 'Author Name', labels: [{ name: 'Admin, Dataverse', count: 1 },{ name: 'Owner, Dataverse', count: 1 }]}
+          name: 'authorName_ss', friendlyName: 'Author Name', labels: [{ name: 'Admin, Dataverse', count: 1 },{ name: 'Owner, Dataverse', count: 1 }]
         },
         {
-          subject_ss: { friendly: 'Subject', labels: [{ name: 'Medicine, Health and Life Sciences', count: 1 }]}
+          name: 'subject_ss', friendlyName: 'Subject', labels: [{ name: 'Medicine, Health and Life Sciences', count: 1 }]
         },
         {
-          fileTypeGroupFacet: { friendly: 'File Type', labels: [{ name: 'Text', count: 1 }] } 
+          name: 'fileTypeGroupFacet', friendlyName: 'File Type', labels: [{ name: 'Text', count: 1 }]
         },
         {
-          fileAccess: { friendly: 'Access', labels: [{ name: 'Public', count: 1 }] }
+          name: 'fileAccess', friendlyName: 'Access', labels: [{ name: 'Public', count: 1 }]
         }
       ]
       //prettier-ignore
       const expectedFacetsFromCollectionOnly = [
         {
-          dvCategory: { friendly: 'Dataverse Category', labels: [{ name: 'Laboratory', count: 1 }] }
+          name: 'dvCategory', friendlyName: 'Dataverse Category', labels: [{ name: 'Laboratory', count: 1 }]
         },
         {
-          publicationStatus: { friendly: 'Publication Status', labels: [{ name: 'Unpublished', count: 1 }]}
+          name: 'publicationStatus', friendlyName: 'Publication Status', labels: [{ name: 'Unpublished', count: 1 }]
         }
       ]
       //prettier-ignore
       const expectedFacetsFromDatasetOnly = [
         {
-          publicationStatus: { friendly: 'Publication Status', labels: [{ name: 'Draft', count: 1 },{ name: 'Unpublished', count: 1 }] }
+          name: 'publicationStatus', friendlyName: 'Publication Status', labels: [{ name: 'Draft', count: 1 },{ name: 'Unpublished', count: 1 }]
         },
         {
-          authorName_ss: { friendly: 'Author Name', labels: [{ name: 'Admin, Dataverse', count: 1 },{ name: 'Owner, Dataverse', count: 1 }] }
+          name: 'authorName_ss', friendlyName: 'Author Name', labels: [{ name: 'Admin, Dataverse', count: 1 },{ name: 'Owner, Dataverse', count: 1 }]
         },
         {
-          subject_ss: { friendly: 'Subject', labels: [{ name: 'Medicine, Health and Life Sciences', count: 1 }] }
+          name: 'subject_ss', friendlyName: 'Subject', labels: [{ name: 'Medicine, Health and Life Sciences', count: 1 }]
         }
       ]
       //prettier-ignore
       const expectedFacetsFromFileOnly = [
         {
-          publicationStatus: { friendly: 'Publication Status', labels: [{ name: 'Draft', count: 1 },{ name: 'Unpublished', count: 1 }] }
+          name: 'publicationStatus', friendlyName: 'Publication Status', labels: [{ name: 'Draft', count: 1 },{ name: 'Unpublished', count: 1 }]
         },
-        { fileTypeGroupFacet: { friendly: 'File Type', labels: [{ name: 'Text', count: 1 }] } },
-        { fileAccess: { friendly: 'Access', labels: [{ name: 'Public', count: 1 }] } }
+        { name: 'fileTypeGroupFacet', friendlyName: 'File Type', labels: [{ name: 'Text', count: 1 }] },
+        { name: 'fileAccess', friendlyName: 'Access', labels: [{ name: 'Public', count: 1 }] }
       ]
       //prettier-ignore
       const expectedFacetsFromCollectionAndFile = [
         {
-          dvCategory: { friendly: 'Dataverse Category', labels: [{ name: 'Laboratory', count: 1 }] }
+          name: 'dvCategory', friendlyName: 'Dataverse Category', labels: [{ name: 'Laboratory', count: 1 }]
         },
         {
-          publicationStatus: { friendly: 'Publication Status', labels: [{ name: 'Unpublished', count: 2 },{ name: 'Draft', count: 1 }] }
+          name: 'publicationStatus', friendlyName: 'Publication Status', labels: [{ name: 'Unpublished', count: 2 },{ name: 'Draft', count: 1 }]
         },
-        { fileTypeGroupFacet: { friendly: 'File Type', labels: [{ name: 'Text', count: 1 }] } },
-        { fileAccess: { friendly: 'Access', labels: [{ name: 'Public', count: 1 }] } }
+        { name: 'fileTypeGroupFacet', friendlyName: 'File Type', labels: [{ name: 'Text', count: 1 }] },
+        { name: 'fileAccess', friendlyName: 'Access', labels: [{ name: 'Public', count: 1 }] }
       ]
 
       expect(actualFilePreview.checksum?.type).toBe('MD5')
diff --git a/test/testHelpers/collections/collectionItemsFacetsHelper.ts b/test/testHelpers/collections/collectionItemsFacetsHelper.ts
index cb5650b1..c1754dee 100644
--- a/test/testHelpers/collections/collectionItemsFacetsHelper.ts
+++ b/test/testHelpers/collections/collectionItemsFacetsHelper.ts
@@ -4,22 +4,20 @@ import { CollectionItemsFacetPayload } from '../../../src/collections/infra/repo
 export const createCollectionItemsFacetsModel = (): CollectionItemsFacet[] => {
   return [
     {
-      facet1: {
-        friendly: 'Facet 1',
-        labels: [
-          { name: 'Label 1', count: 5 },
-          { name: 'Label 2', count: 4 }
-        ]
-      }
+      name: 'facet1',
+      friendlyName: 'Facet 1',
+      labels: [
+        { name: 'Label 1', count: 5 },
+        { name: 'Label 2', count: 4 }
+      ]
     },
     {
-      facet2: {
-        friendly: 'Facet 2',
-        labels: [
-          { name: 'Label 3', count: 8 },
-          { name: 'Label 4', count: 9 }
-        ]
-      }
+      name: 'facet2',
+      friendlyName: 'Facet 2',
+      labels: [
+        { name: 'Label 3', count: 8 },
+        { name: 'Label 4', count: 9 }
+      ]
     }
   ]
 }