diff --git a/pkg/services/object/patch/streamer.go b/pkg/services/object/patch/streamer.go
index 5aba13f6..642b9f9f 100644
--- a/pkg/services/object/patch/streamer.go
+++ b/pkg/services/object/patch/streamer.go
@@ -214,6 +214,9 @@ func (s *Streamer) Send(ctx context.Context, req *objectV2.PatchRequest) error {
 }
 
 func (s *Streamer) CloseAndRecv(ctx context.Context) (*objectV2.PatchResponse, error) {
+	if s.patcher == nil {
+		return nil, errors.New("uninitialized patch streamer")
+	}
 	patcherResp, err := s.patcher.Close(ctx)
 	if err != nil {
 		return nil, err