diff --git a/ops/nixos/kerrigan/default.nix b/ops/nixos/kerrigan/default.nix
index f53382e4a6..67c2824e93 100644
--- a/ops/nixos/kerrigan/default.nix
+++ b/ops/nixos/kerrigan/default.nix
@@ -123,5 +123,7 @@ in
 
   systemd.services."systemd-networkd-wait-online".wantedBy = lib.mkForce [];
 
+  systemd.services."ModemManager".serviceConfig.ExecStart = ["" "${pkgs.modemmanager}/sbin/ModemManager --debug"];
+
   system.stateVersion = "23.05";
 }