diff --git a/hosts/chunk/postgres.nix b/hosts/chunk/postgres.nix
index 2571b28..2448191 100644
--- a/hosts/chunk/postgres.nix
+++ b/hosts/chunk/postgres.nix
@@ -19,5 +19,8 @@
       host  all all 172.18.0.0/16 trust
     '';
   };
-  services.postgresqlBackup.enable = true;
+  services.postgresqlBackup = {
+    enable = true;
+    startAt = "hourly";
+  };
 }