diff --git a/backend/drime/api/types.go b/backend/drime/api/types.go
index cb335b2b9..427e7eb70 100644
--- a/backend/drime/api/types.go
+++ b/backend/drime/api/types.go
@@ -224,6 +224,7 @@ type MultiPartEntriesRequest struct {
 	ClientExtension string      `json:"clientExtension"`
 	ParentID        json.Number `json:"parent_id"`
 	RelativePath    string      `json:"relativePath"`
+	WorkspaceID     string      `json:"workspaceId,omitempty"`
 }
 
 // MultiPartEntriesResponse is the result of POST /s3/entries
diff --git a/backend/drime/drime.go b/backend/drime/drime.go
index 08ed68f50..a8bbfb540 100644
--- a/backend/drime/drime.go
+++ b/backend/drime/drime.go
@@ -1314,6 +1314,7 @@ func (s *drimeChunkWriter) Close(ctx context.Context) error {
 		ClientExtension: s.extension,
 		ParentID:        s.parentID,
 		RelativePath:    s.relativePath,
+		WorkspaceID:     s.f.opt.WorkspaceID,
 	}
 
 	entriesOpts := rest.Opts{