diff --git a/nixos/modules/config/resolvconf.nix b/nixos/modules/config/resolvconf.nix
index cc202bca6c4..cd0ed491383 100644
--- a/nixos/modules/config/resolvconf.nix
+++ b/nixos/modules/config/resolvconf.nix
@@ -21,7 +21,7 @@ let
     '' + optionalString config.services.nscd.enable ''
       # Invalidate the nscd cache whenever resolv.conf is
       # regenerated.
-      libc_restart='${pkgs.systemd}/bin/systemctl try-restart --no-block nscd.service 2> /dev/null'
+      libc_restart='/run/current-system/systemd/bin/systemctl try-restart --no-block nscd.service 2> /dev/null'
     '' + optionalString (length resolvconfOptions > 0) ''
       # Options as described in resolv.conf(5)
       resolv_conf_options='${concatStringsSep " " resolvconfOptions}'