diff --git a/modules/nixos/logrotate.nix b/modules/nixos/logrotate.nix
index fdfc239..05a8197 100644
--- a/modules/nixos/logrotate.nix
+++ b/modules/nixos/logrotate.nix
@@ -1,8 +1,10 @@
-{...}: {
+{ ... }:
+{
   services.logrotate = {
     settings = {
       header = {
         dateext = true;
+        dateformat = "-%Y%m%d-%H%M";
       };
 
       "var/log/audit/audit.log" = {