diff --git a/hosts/droppie/restic-backup.nix b/hosts/droppie/restic-backup.nix
index d3732c21..c449366c 100644
--- a/hosts/droppie/restic-backup.nix
+++ b/hosts/droppie/restic-backup.nix
@@ -2,7 +2,7 @@
 
 let
   shutdownWaitMinutes = 15;
-  shutdownScript = pkgs.writeScript "shutdown" ''
+  shutdownScript = pkgs.writeShellScriptBin "shutdown-wait" ''
     STATUS_FILES="/media/internal/backups-pub-solar/status"
 
     running=""
@@ -37,7 +37,8 @@ in
   systemd.services."shutdown-after-backup" = {
     enable = true;
     serviceConfig = {
-      ExecStart = shutdownScript;
+      ExecStart = "${shutdownScript}/bin/shutdown-wait";
+      Type = "oneshot";
     };
   };
 
@@ -47,5 +48,6 @@ in
       OnCalendar = "3..9:*";
     };
     wantedBy = [ "timers.target" ];
+    partOf = [ "shutdown-after-backup.service" ];
   };
 }