diff --git a/fs/fs.go b/fs/fs.go
index c881d78..596b8d7 100644
--- a/fs/fs.go
+++ b/fs/fs.go
@@ -7,7 +7,7 @@ import (
 	"github.com/markbates/pkger/here"
 )
 
-type FileSystem interface {
+type Warehouse interface {
 	Parse(p string) (Path, error)
 	Abs(string) (string, error)
 	AbsPath(Path) (string, error)
diff --git a/fs/fstest/fstest.go b/fs/fstest/fstest.go
index 1898958..581f6b1 100644
--- a/fs/fstest/fstest.go
+++ b/fs/fstest/fstest.go
@@ -4,7 +4,7 @@ import (
 	"github.com/markbates/pkger/fs"
 )
 
-func Files(fx fs.FileSystem) (TestFiles, error) {
+func Files(fx fs.Warehouse) (TestFiles, error) {
 	tf := TestFiles{}
 	for _, f := range fileList {
 		pt, err := fx.Parse(f)
diff --git a/fs/fstest/suite.go b/fs/fstest/suite.go
index fe04ab9..5d64d95 100644
--- a/fs/fstest/suite.go
+++ b/fs/fstest/suite.go
@@ -18,12 +18,12 @@ const hart = "/easy/listening/grant.hart"
 const husker = "github.com/husker/du"
 
 type Suite struct {
-	fs.FileSystem
+	fs.Warehouse
 }
 
-func NewSuite(yourfs fs.FileSystem) (Suite, error) {
+func NewSuite(yourfs fs.Warehouse) (Suite, error) {
 	suite := Suite{
-		FileSystem: yourfs,
+		Warehouse: yourfs,
 	}
 	return suite, nil
 }
@@ -45,7 +45,7 @@ func (s Suite) Test(t *testing.T) {
 
 func (s Suite) sub(t *testing.T, m reflect.Method) {
 	name := strings.TrimPrefix(m.Name, "Test_")
-	name = fmt.Sprintf("%T_%s", s.FileSystem, name)
+	name = fmt.Sprintf("%T_%s", s.Warehouse, name)
 	t.Run(name, func(st *testing.T) {
 		defer func() {
 			if err := recover(); err != nil {
diff --git a/fs/hdfs/file.go b/fs/hdfs/file.go
index 82f455e..52219f2 100644
--- a/fs/hdfs/file.go
+++ b/fs/hdfs/file.go
@@ -15,10 +15,10 @@ type File struct {
 	info *fs.FileInfo
 	her  here.Info
 	path fs.Path
-	fs   fs.FileSystem
+	fs   fs.Warehouse
 }
 
-func NewFile(fx fs.FileSystem, osf *os.File) (*File, error) {
+func NewFile(fx fs.Warehouse, osf *os.File) (*File, error) {
 
 	pt, err := fx.Parse(osf.Name())
 	if err != nil {
diff --git a/fs/hdfs/hdfs.go b/fs/hdfs/hdfs.go
index fc92489..e80e61f 100644
--- a/fs/hdfs/hdfs.go
+++ b/fs/hdfs/hdfs.go
@@ -12,7 +12,7 @@ import (
 	"github.com/markbates/pkger/internal/maps"
 )
 
-var _ fs.FileSystem = &FS{}
+var _ fs.Warehouse = &FS{}
 
 type FS struct {
 	infos   *maps.Infos
diff --git a/fs/memfs/file.go b/fs/memfs/file.go
index 0ff8834..c6192ff 100644
--- a/fs/memfs/file.go
+++ b/fs/memfs/file.go
@@ -27,7 +27,7 @@ type File struct {
 	parent fs.Path
 	writer *bytes.Buffer
 	reader io.Reader
-	fs     fs.FileSystem
+	fs     fs.Warehouse
 }
 
 func (f *File) Seek(offset int64, whence int) (int64, error) {
diff --git a/fs/memfs/memfs.go b/fs/memfs/memfs.go
index 7abb9a5..537cf82 100644
--- a/fs/memfs/memfs.go
+++ b/fs/memfs/memfs.go
@@ -11,7 +11,7 @@ import (
 	"github.com/markbates/pkger/internal/maps"
 )
 
-var _ fs.FileSystem = &FS{}
+var _ fs.Warehouse = &FS{}
 
 func WithInfo(fx *FS, infos ...here.Info) {
 	for _, info := range infos {