diff --git a/nixos/modules/installer/cd-dvd/installation-cd-base.nix b/nixos/modules/installer/cd-dvd/installation-cd-base.nix
index e453a629f74f..b723a91e4f35 100644
--- a/nixos/modules/installer/cd-dvd/installation-cd-base.nix
+++ b/nixos/modules/installer/cd-dvd/installation-cd-base.nix
@@ -43,7 +43,7 @@ with lib;
   boot.initrd.kernelModules = [ "fbcon" ];
 
   # Add support for cow filesystems and their utilities
-  boot.supportedFilesystems = [ /* "zfs" */ "btrfs" ];
+  boot.supportedFilesystems = [ "zfs" "btrfs" ];
 
   # Configure host id for ZFS to work
   networking.hostId = "8425e349";