diff --git a/git_system.nix b/git_system.nix
index 650592c..e28346f 100644
--- a/git_system.nix
+++ b/git_system.nix
@@ -129,9 +129,9 @@ in
 
     cron = {
       enable = true;
-      systemCronJobs = {
+      systemCronJobs = [
         "30 20 * * *    root    chmod 660 /backups/forgejo_backup.tar.gz"
-      };
+      ];
     };
   };
 }