diff --git a/src/api2/admin/datastore.rs b/src/api2/admin/datastore.rs
index bf3d8b53..8e614e6e 100644
--- a/src/api2/admin/datastore.rs
+++ b/src/api2/admin/datastore.rs
@@ -52,7 +52,7 @@ fn mark_selections<F: Fn(DateTime<Local>, &BackupInfo) -> String> (
     }
 }
 
-fn get_group_list(
+fn list_groups(
     param: Value,
     _info: &ApiMethod,
     _rpcenv: &mut RpcEnvironment,
@@ -76,10 +76,11 @@ fn get_group_list(
         let group = &info.backup_dir.group;
 
         groups.push(json!({
-            "backup_type": group.backup_type,
-            "backup_id": group.backup_id,
-            "last_backup": info.backup_dir.backup_time.timestamp(),
-            "num_backups": list.len() as u64,
+            "backup-type": group.backup_type,
+            "backup-id": group.backup_id,
+            "last-backup": info.backup_dir.backup_time.timestamp(),
+            "backup-count": list.len() as u64,
+            "files": info.files,
         }));
     }
 
@@ -372,7 +373,7 @@ pub fn router() -> Router {
             "groups",
             Router::new()
                 .get(ApiMethod::new(
-                    get_group_list,
+                    list_groups,
                     ObjectSchema::new("List backup groups.")
                         .required("store", store_schema.clone()))))
         .subdir(
diff --git a/src/bin/proxmox-backup-client.rs b/src/bin/proxmox-backup-client.rs
index 19595435..f4e7759f 100644
--- a/src/bin/proxmox-backup-client.rs
+++ b/src/bin/proxmox-backup-client.rs
@@ -155,11 +155,11 @@ fn list_backup_groups(
 
     for item in list {
 
-        let id = item["backup_id"].as_str().unwrap();
-        let btype = item["backup_type"].as_str().unwrap();
-        let epoch = item["last_backup"].as_i64().unwrap();
+        let id = item["backup-id"].as_str().unwrap();
+        let btype = item["backup-type"].as_str().unwrap();
+        let epoch = item["last-backup"].as_i64().unwrap();
         let last_backup = Local.timestamp(epoch, 0);
-        let num_backups = item["num_backups"].as_u64().unwrap();
+        let backup_count = item["backup-count"].as_u64().unwrap();
 
         let group = BackupGroup {
             backup_type: btype.to_string(),
@@ -167,7 +167,14 @@ fn list_backup_groups(
         };
 
         let path = group.group_path().to_str().unwrap().to_owned();
-        println!("{} | {} | {}", path, last_backup.format("%c"), num_backups);
+
+        let files = item["files"].as_array().unwrap().iter()
+            .map(|v| {
+                v.as_str().unwrap().to_owned()
+            }).collect();
+
+        println!("{} | {} | {} | {}", path, last_backup.format("%c"),
+                 backup_count, tools::join(&files, ' '));
     }
 
     //Ok(result)