diff --git a/backend/storj/fs.go b/backend/storj/fs.go
index 1200c40d6..48692ed3c 100644
--- a/backend/storj/fs.go
+++ b/backend/storj/fs.go
@@ -24,6 +24,7 @@ import (
 
 	"storj.io/uplink"
 	"storj.io/uplink/edge"
+	"storj.io/uplink/private/testuplink"
 )
 
 const (
@@ -276,6 +277,8 @@ func (f *Fs) connect(ctx context.Context) (project *uplink.Project, err error) {
 		UserAgent: "rclone",
 	}
 
+	ctx = testuplink.WithConcurrentSegmentUploadsDefaultConfig(ctx)
+
 	project, err = cfg.OpenProject(ctx, f.access)
 	if err != nil {
 		return nil, fmt.Errorf("storj: project: %w", err)