diff --git a/file/reed_solomon_file.go b/file/reed_solomon_file.go
index b3d158c47..bf0bdcd1b 100644
--- a/file/reed_solomon_file.go
+++ b/file/reed_solomon_file.go
@@ -219,6 +219,9 @@ func (it *rsIterator) Err() error {
 	return it.err
 }
 
+func (it *rsIterator) SetReedSolomon() {
+}
+
 type rsFile struct {
 	uio.DagReader
 }
diff --git a/file/unixfile.go b/file/unixfile.go
index e651bbfa2..935cd41e6 100644
--- a/file/unixfile.go
+++ b/file/unixfile.go
@@ -101,6 +101,9 @@ func (it *ufsIterator) AbsRootPath() (string, error) {
 	return "", nil
 }
 
+func (it *ufsIterator) SetReedSolomon() {
+}
+
 func (d *ufsDirectory) Close() error {
 	return nil
 }
diff --git a/go.mod b/go.mod
index d1edecb78..2673f2ed4 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/TRON-US/go-unixfs
 require (
 	github.com/Stebalien/go-bitfield v0.0.1
 	github.com/TRON-US/go-btfs-chunker v0.2.6
-	github.com/TRON-US/go-btfs-files v0.1.4
+	github.com/TRON-US/go-btfs-files v0.1.5
 	github.com/gogo/protobuf v1.2.1
 	github.com/gopherjs/gopherjs v0.0.0-20190430165422-3e4dfb77656c // indirect
 	github.com/ipfs/go-bitswap v0.1.2 // indirect
diff --git a/go.sum b/go.sum
index f13d3033d..91fecadca 100644
--- a/go.sum
+++ b/go.sum
@@ -8,6 +8,8 @@ github.com/TRON-US/go-btfs-files v0.1.1 h1:GuDIiWDM66bfhfxJy8+dBL4Cfbcp3iBp7pgHp
 github.com/TRON-US/go-btfs-files v0.1.1/go.mod h1:tD2vOKLcLCDNMn9rrA27n2VbNpHdKewGzEguIFY+EJ0=
 github.com/TRON-US/go-btfs-files v0.1.4 h1:6/vqS7g6ttsOPCEyZEEkaba07hFviTLV6KjuPiZ45Ds=
 github.com/TRON-US/go-btfs-files v0.1.4/go.mod h1:I8LeoFulha712BW03zGgmDdNwa0qbAPwfMIglzw0fnE=
+github.com/TRON-US/go-btfs-files v0.1.5 h1:MH+kqwVPG+EzMeQ+0XygPmaFrwXnN1j3rtgHUbvw9Uk=
+github.com/TRON-US/go-btfs-files v0.1.5/go.mod h1:I8LeoFulha712BW03zGgmDdNwa0qbAPwfMIglzw0fnE=
 github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBAUSII=
 github.com/btcsuite/btcd v0.0.0-20190213025234-306aecffea32 h1:qkOC5Gd33k54tobS36cXdAzJbeHaduLtnLQQwNoIi78=
 github.com/btcsuite/btcd v0.0.0-20190213025234-306aecffea32/go.mod h1:DrZx5ec/dmnfpw9KyYoQyYo7d0KEvTkk/5M/vbZjAr8=