diff --git a/swarm/storage/chunker.go b/swarm/storage/chunker.go
index 59c8609a00..c2bac98593 100644
--- a/swarm/storage/chunker.go
+++ b/swarm/storage/chunker.go
@@ -95,7 +95,8 @@ type JoinerParams struct {
 	ChunkerParams
 	key    Key
 	getter Getter
-	depth  int
+	// TODO: there is a bug, so depth can only be 0 today, see: https://github.com/ethersphere/go-ethereum/issues/344
+	depth int
 }
 
 type TreeChunker struct {