diff --git a/modules/impurity-logger/default.nix b/modules/impurity-logger/default.nix
index f15a551..9f52ad7 100644
--- a/modules/impurity-logger/default.nix
+++ b/modules/impurity-logger/default.nix
@@ -1,8 +1,8 @@
-{ lib, pkgs, ... }:
+{ config, lib, pkgs, ... }:
 
 let
   mkTracer = name: target: exe: lib.getExe (pkgs.writeShellScriptBin name ''
-    echo "PID $PPID executed ${target}" |& systemd-cat --identifier=impurity >/dev/null 2>/dev/null
+    echo "PID $PPID executed ${target}" |& ${config.systemd.package}/bin/systemd-cat --identifier=impurity >/dev/null 2>/dev/null
     exec -a "$0" '${exe}' "$@"
   '');
 in