diff --git a/hosts/nachtigall/configuration.nix b/hosts/nachtigall/configuration.nix
index bc7e76d..43a3c6e 100644
--- a/hosts/nachtigall/configuration.nix
+++ b/hosts/nachtigall/configuration.nix
@@ -64,6 +64,11 @@
     repository = "sftp:u377325@u377325.your-storagebox.de:/backups";
   };
 
+  systemd.services.postgresql = {
+    after = [ "var-lib-postgresql.mount" ];
+    requisite = [ "var-lib-postgresql.mount" ];
+  };
+
   # This value determines the NixOS release with which your system is to be
   # compatible, in order to avoid breaking some software such as database
   # servers. You should change this only after NixOS release notes say you