diff --git a/flake.nix b/flake.nix
index 6be157d..07818f5 100644
--- a/flake.nix
+++ b/flake.nix
@@ -164,7 +164,7 @@ rust-project TODO: write shell script for automatically updating `cargoHash`
           serviceConfig = {
             Type = "oneshot";
             ExecStart  = ''
-              ${cfg.package}/bin/time_tracker --config-file ${builtins.toString cfg.config_path}
+              ${cfg.package}/bin/time_tracker -d --config-file ${builtins.toString cfg.config_path}
             '';
           };
         };