diff --git a/packages/discovery-react-components/src/components/DiscoverySearch/__tests__/DiscoverySearch.test.tsx b/packages/discovery-react-components/src/components/DiscoverySearch/__tests__/DiscoverySearch.test.tsx
index 144b92391..aeddb0602 100644
--- a/packages/discovery-react-components/src/components/DiscoverySearch/__tests__/DiscoverySearch.test.tsx
+++ b/packages/discovery-react-components/src/components/DiscoverySearch/__tests__/DiscoverySearch.test.tsx
@@ -327,7 +327,7 @@ describe('DiscoverySearch', () => {
       expect(spy).toHaveBeenCalledWith({
         projectId: 'foo',
         filter: 'document_id::bar',
-        collection_ids: ['12345-12345-12345-12345'],
+        collectionIds: ['12345-12345-12345-12345'],
         aggregation: '',
         passages: {
           enabled: false
diff --git a/packages/discovery-react-components/src/utils/__tests__/useDataApi.test.tsx b/packages/discovery-react-components/src/utils/__tests__/useDataApi.test.tsx
index 9cd9131e3..f782c3cf8 100644
--- a/packages/discovery-react-components/src/utils/__tests__/useDataApi.test.tsx
+++ b/packages/discovery-react-components/src/utils/__tests__/useDataApi.test.tsx
@@ -799,7 +799,7 @@ describe('useFetchDocumentsApi', () => {
       fireEvent.click(fetchDocumentsButton, { target: { value: 'filter_string' } });
       expect(checkParametersMock).toHaveBeenCalledWith({
         projectId: 'foo',
-        collection_ids: ['12345-12345-12345-12345'],
+        collectionIds: ['12345-12345-12345-12345'],
         _return: [],
         aggregation: '',
         passages: {},
diff --git a/packages/discovery-react-components/src/utils/useDataApi.ts b/packages/discovery-react-components/src/utils/useDataApi.ts
index b5bd50235..e283dee03 100644
--- a/packages/discovery-react-components/src/utils/useDataApi.ts
+++ b/packages/discovery-react-components/src/utils/useDataApi.ts
@@ -454,9 +454,11 @@ export const useFetchDocumentsApi = (
 
   const fetchDocuments: FetchDocumentsActions['fetchDocuments'] = useCallback(
     (filter, collections, callback) => {
-      setSearchParameters((currentSearchParameters: DiscoveryV2.QueryParams) => {
-        return { ...currentSearchParameters, filter, collection_ids: collections };
-      });
+      setSearchParameters(
+        (currentSearchParameters: DiscoveryV2.QueryParams): DiscoveryV2.QueryParams => {
+          return { ...currentSearchParameters, filter, collectionIds: collections };
+        }
+      );
       setFetchToken({ trigger: true, callback });
     },
     [setSearchParameters, setFetchToken]