diff --git a/nixos/modules/virtualisation/amazon-image.nix b/nixos/modules/virtualisation/amazon-image.nix
index 8ce89c09b244..138047a07db0 100644
--- a/nixos/modules/virtualisation/amazon-image.nix
+++ b/nixos/modules/virtualisation/amazon-image.nix
@@ -70,6 +70,7 @@ with lib;
 
   boot.initrd.kernelModules = [ "xen-blkfront" ];
   boot.kernelModules = [ "xen-netfront" ];
+  boot.kernelParams = [ "console=ttyS0" ];
 
   # Generate a GRUB menu.  Amazon's pv-grub uses this to boot our kernel/initrd.
   boot.loader.grub.version = 1;