diff --git a/backend_local.go b/backend_local.go
index ade2f86..55aa353 100644
--- a/backend_local.go
+++ b/backend_local.go
@@ -71,7 +71,7 @@ func (l *LocalFileBackend) ListPictures(box string) ([]*Picture, error) {
 		return nil, err
 	}
 
-	var pictures []*Picture
+	pictures := make([]*Picture, 0)
 	for _, file := range files {
 		if !file.IsDir() {
 			pictures = append(pictures, l.createPictureInfo(path.Join(box, file.Name()), file.Name(), file))