diff --git a/pkg/local_object_storage/blobstor/blobstor.go b/pkg/local_object_storage/blobstor/blobstor.go
index 1edf6bf90..946566428 100644
--- a/pkg/local_object_storage/blobstor/blobstor.go
+++ b/pkg/local_object_storage/blobstor/blobstor.go
@@ -55,6 +55,7 @@ func New(opts ...Option) *BlobStor {
 
 	return &BlobStor{
 		cfg: c,
+		mtx: new(sync.RWMutex),
 	}
 }