diff --git a/hosts/x86_64-linux/icarus.nix b/hosts/x86_64-linux/icarus.nix
index 6a3988b3..a7f0d1f0 100644
--- a/hosts/x86_64-linux/icarus.nix
+++ b/hosts/x86_64-linux/icarus.nix
@@ -14,6 +14,7 @@
   };
 
   boot.initrd.luks.devices.cryptkey.keyFile = "/dev/disk/by-partlabel/alt_cryptkey";
+  boot.initrd.luks.devices.cryptkey.keyFileTimeout = 30;
 
   imports = [
     ../../profiles/acme.nix