diff --git a/nixos/modules/services/backup/borgmatic.nix b/nixos/modules/services/backup/borgmatic.nix
index e7cd6ae4bb57..5ee036e68c7b 100644
--- a/nixos/modules/services/backup/borgmatic.nix
+++ b/nixos/modules/services/backup/borgmatic.nix
@@ -72,5 +72,8 @@ in
         cfg.configurations;
 
     systemd.packages = [ pkgs.borgmatic ];
+
+    # Workaround: https://github.com/NixOS/nixpkgs/issues/81138
+    systemd.timers.borgmatic.wantedBy = [ "timers.target" ];
   };
 }