diff --git a/src/api2/admin/datastore.rs b/src/api2/admin/datastore.rs
index 900c7a61..74297a3a 100644
--- a/src/api2/admin/datastore.rs
+++ b/src/api2/admin/datastore.rs
@@ -598,7 +598,8 @@ pub fn list_snapshots(
 }
 
 fn get_snapshots_count(store: &Arc<DataStore>, owner: Option<&Authid>) -> Result<Counts, Error> {
-    ListAccessibleBackupGroups::new(Arc::clone(store), Default::default(), MAX_NAMESPACE_DEPTH, owner)?
+    let root_ns = Default::default();
+    ListAccessibleBackupGroups::new(Arc::clone(store), root_ns, MAX_NAMESPACE_DEPTH, owner)?
         .try_fold(Counts::default(), |mut counts, group| {
             let group = match group {
                 Ok(group) => group,
diff --git a/src/backup/hierarchy.rs b/src/backup/hierarchy.rs
index 72e82c7b..6406902d 100644
--- a/src/backup/hierarchy.rs
+++ b/src/backup/hierarchy.rs
@@ -21,7 +21,7 @@ pub struct ListAccessibleBackupGroups<'a> {
     ns_iter: ListNamespacesRecursive,
 }
 
-impl <'a> ListAccessibleBackupGroups<'a> {
+impl<'a> ListAccessibleBackupGroups<'a> {
     // TODO: builder pattern
 
     pub fn new(
@@ -41,7 +41,7 @@ impl <'a> ListAccessibleBackupGroups<'a> {
     }
 }
 
-impl <'a> Iterator for ListAccessibleBackupGroups<'a> {
+impl<'a> Iterator for ListAccessibleBackupGroups<'a> {
     type Item = Result<BackupGroup, Error>;
 
     fn next(&mut self) -> Option<Self::Item> {