diff --git a/adapter/http/system.go b/adapter/http/system.go
index e243037..f697c5c 100644
--- a/adapter/http/system.go
+++ b/adapter/http/system.go
@@ -3,15 +3,17 @@ package http
 import (
 	"context"
 	"github.com/viant/afs"
+	"github.com/viant/afs/url"
 	"net/http"
 )
 
 type Filesystem struct {
-	fs afs.Service
+	fs  afs.Service
+	dir string
 }
 
 func (f *Filesystem) Open(name string) (http.File, error) {
-	object, err := f.fs.Object(context.Background(), name)
+	object, err := f.fs.Object(context.Background(), url.Join(f.dir, name))
 	if err != nil {
 		return nil, err
 	}
@@ -19,6 +21,6 @@ func (f *Filesystem) Open(name string) (http.File, error) {
 }
 
 // New creates http filesystem
-func New(fs afs.Service) http.FileSystem {
-	return &Filesystem{fs: fs}
+func New(fs afs.Service, dir string) http.FileSystem {
+	return &Filesystem{fs: fs, dir: dir}
 }