diff --git a/api.go b/api.go
index ffe85dd37..3e8243668 100644
--- a/api.go
+++ b/api.go
@@ -296,7 +296,7 @@ func (api *API) Field(_ context.Context, indexName, fieldName string) (*Field, e
 }
 
 // ImportRoaringBytes fast loading of standard roaring format
-func (api *API) ImportRoaringBytes(ctx context.Context, roaringBytes []byte, indexName, fieldName string, shard uint64 ) (err error) {
+func (api *API) ImportRoaringBytes(ctx context.Context, roaringBytes []byte, indexName, fieldName string, shard uint64) (err error) {
 	if err = api.validate(apiField); err != nil {
 		err = errors.Wrap(err, "validating api method")
 		return
diff --git a/client.go b/client.go
index c13d44560..7eb24d121 100644
--- a/client.go
+++ b/client.go
@@ -53,7 +53,7 @@ type InternalClient interface {
 	RowAttrDiff(ctx context.Context, uri *URI, index, field string, blks []AttrBlock) (map[uint64]map[string]interface{}, error)
 	SendMessage(ctx context.Context, uri *URI, msg []byte) error
 	RetrieveShardFromURI(ctx context.Context, index, field string, shard uint64, uri URI) (io.ReadCloser, error)
-	ImportRoaringBytes(ctx context.Context, node *Node, index, field string, shard uint64, roaringBytes []byte ) error
+	ImportRoaringBytes(ctx context.Context, node *Node, index, field string, shard uint64, roaringBytes []byte) error
 }
 
 //===============
@@ -109,7 +109,7 @@ func (n nopInternalClient) Import(ctx context.Context, index, field string, shar
 func (n nopInternalClient) ImportK(ctx context.Context, index, field string, bits []Bit) error {
 	return nil
 }
-func (n nopInternalClient) ImportRoaringBytes(ctx context.Context, node *Node, index, field string, shard uint64, roaringBytes []byte ) error {
+func (n nopInternalClient) ImportRoaringBytes(ctx context.Context, node *Node, index, field string, shard uint64, roaringBytes []byte) error {
 	return nil
 }
 func (n nopInternalClient) EnsureIndex(ctx context.Context, name string, options IndexOptions) error {
diff --git a/http/handler.go b/http/handler.go
index f86549c3c..822f242f3 100644
--- a/http/handler.go
+++ b/http/handler.go
@@ -1458,7 +1458,7 @@ func (h *Handler) handlePostRoaringImport(w http.ResponseWriter, r *http.Request
 		return
 	}
 	//TODO give meaningful stats for import
-	err = h.api.ImportRoaringBytes(r.Context(), body, indexName, fieldName, shard )
+	err = h.api.ImportRoaringBytes(r.Context(), body, indexName, fieldName, shard)
 
 	// Marshal response object.
 	msg := string("")