diff --git a/connectors/src/lib/data_sources.ts b/connectors/src/lib/data_sources.ts
index 4ae838605d35..203b029c36ba 100644
--- a/connectors/src/lib/data_sources.ts
+++ b/connectors/src/lib/data_sources.ts
@@ -153,7 +153,7 @@ async function _upsertToDatasource({
         title,
         mime_type: mimeType,
         tags: tags?.map((tag) => tag.substring(0, 512)),
-        parentId: null,
+        parent_id: null,
         parents,
         light_document_output: true,
         upsert_context: upsertContext,
diff --git a/front/components/data_source/DocumentUploadOrEditModal.tsx b/front/components/data_source/DocumentUploadOrEditModal.tsx
index 67c48bc4a780..24e3f4b8d2f3 100644
--- a/front/components/data_source/DocumentUploadOrEditModal.tsx
+++ b/front/components/data_source/DocumentUploadOrEditModal.tsx
@@ -140,7 +140,7 @@ export const DocumentUploadOrEditModal = ({
         title: initialId ?? document.name,
         mime_type: document.mimeType ?? undefined,
         timestamp: null,
-        parentId: null,
+        parent_id: null,
         parents: [initialId ?? document.name],
         section: { prefix: null, content: document.text, sections: [] },
         text: null,
diff --git a/front/components/data_source/MultipleDocumentsUpload.tsx b/front/components/data_source/MultipleDocumentsUpload.tsx
index 97c10e481a8d..ccfe67e0ae9a 100644
--- a/front/components/data_source/MultipleDocumentsUpload.tsx
+++ b/front/components/data_source/MultipleDocumentsUpload.tsx
@@ -144,7 +144,7 @@ export const MultipleDocumentsUpload = ({
           title: blob.filename,
           mime_type: blob.contentType ?? undefined,
           timestamp: null,
-          parentId: null,
+          parent_id: null,
           parents: [blob.filename],
           section: {
             prefix: null,
diff --git a/front/lib/api/data_sources.ts b/front/lib/api/data_sources.ts
index a9445f6834f9..499bcda32af4 100644
--- a/front/lib/api/data_sources.ts
+++ b/front/lib/api/data_sources.ts
@@ -228,7 +228,7 @@ export async function upsertDocument({
   text,
   section,
   tags,
-  parentId,
+  parent_id,
   parents,
   timestamp,
   light_document_output,
@@ -242,7 +242,7 @@ export async function upsertDocument({
   text?: string | null;
   section?: FrontDataSourceDocumentSectionType | null;
   tags?: string[] | null;
-  parentId?: string | null;
+  parent_id?: string | null;
   parents?: string[] | null;
   timestamp?: number | null;
   light_document_output?: boolean;
@@ -387,7 +387,7 @@ export async function upsertDocument({
     dataSourceId: dataSource.dustAPIDataSourceId,
     documentId: documentId,
     tags: nonNullTags,
-    parentId: parentId ?? null,
+    parentId: parent_id ?? null,
     parents: documentParents,
     sourceUrl,
     // TEMPORARY -- need to unstuck a specific entry
diff --git a/front/pages/api/w/[wId]/spaces/[spaceId]/data_sources/[dsId]/documents/[documentId]/index.ts b/front/pages/api/w/[wId]/spaces/[spaceId]/data_sources/[dsId]/documents/[documentId]/index.ts
index 629509dbc9dc..794879a4c92e 100644
--- a/front/pages/api/w/[wId]/spaces/[spaceId]/data_sources/[dsId]/documents/[documentId]/index.ts
+++ b/front/pages/api/w/[wId]/spaces/[spaceId]/data_sources/[dsId]/documents/[documentId]/index.ts
@@ -105,9 +105,31 @@ async function handler(
         });
       }
 
+      const {
+        source_url,
+        text,
+        section,
+        tags,
+        parent_id,
+        parents,
+        timestamp,
+        light_document_output,
+        mime_type,
+        title,
+      } = bodyValidation.right;
+
       const upsertResult = await upsertDocument({
         name: documentId,
-        ...bodyValidation.right,
+        source_url,
+        text,
+        section,
+        tags,
+        parent_id,
+        parents,
+        timestamp,
+        light_document_output,
+        mime_type,
+        title,
         dataSource,
         auth,
       });
diff --git a/front/pages/api/w/[wId]/spaces/[spaceId]/data_sources/[dsId]/documents/index.ts b/front/pages/api/w/[wId]/spaces/[spaceId]/data_sources/[dsId]/documents/index.ts
index bad4ebd59ff8..ee58775b331d 100644
--- a/front/pages/api/w/[wId]/spaces/[spaceId]/data_sources/[dsId]/documents/index.ts
+++ b/front/pages/api/w/[wId]/spaces/[spaceId]/data_sources/[dsId]/documents/index.ts
@@ -96,8 +96,32 @@ async function handler(
         });
       }
 
+      const {
+        name,
+        source_url,
+        text,
+        section,
+        tags,
+        parent_id,
+        parents,
+        timestamp,
+        light_document_output,
+        mime_type,
+        title,
+      } = bodyValidation.right;
+
       const upsertResult = await upsertDocument({
-        ...bodyValidation.right,
+        name,
+        source_url,
+        text,
+        section,
+        tags,
+        parent_id,
+        parents,
+        timestamp,
+        light_document_output,
+        mime_type,
+        title,
         dataSource,
         auth,
       });
diff --git a/types/src/front/api_handlers/public/data_sources.ts b/types/src/front/api_handlers/public/data_sources.ts
index 98f9816fd416..aae9fc0c2589 100644
--- a/types/src/front/api_handlers/public/data_sources.ts
+++ b/types/src/front/api_handlers/public/data_sources.ts
@@ -31,7 +31,7 @@ export const PostDataSourceDocumentRequestBodySchema = t.intersection([
   t.type({
     timestamp: t.union([t.Int, t.undefined, t.null]),
     tags: t.union([t.array(t.string), t.undefined, t.null]),
-    parentId: t.union([t.string, t.undefined, t.null]),
+    parent_id: t.union([t.string, t.undefined, t.null]),
     parents: t.union([t.array(t.string), t.undefined, t.null]),
     source_url: t.union([t.string, t.undefined, t.null]),
     upsert_context: t.union([UpsertContextSchema, t.undefined, t.null]),