diff --git a/hosts/common/default.nix b/hosts/common/default.nix
index 27a86ed..94433da 100644
--- a/hosts/common/default.nix
+++ b/hosts/common/default.nix
@@ -39,6 +39,8 @@ in {
     '';
   };
 
+  security.sudo.wheelNeedsPassword = false;
+
   # Set time zone.
   time.timeZone = "Europe/London";
 
diff --git a/modules/gitea/default.nix b/modules/gitea/default.nix
index 636e647..bb2cdfe 100644
--- a/modules/gitea/default.nix
+++ b/modules/gitea/default.nix
@@ -38,7 +38,7 @@
     dump = {
       enable = true;
       type = "tar.zst";
-      file = "gitea.zip";
+      file = "gitea.tar.zst";
       backupDir = "/var/backup";
       interval = "01:30";
     };