diff --git a/nixos/modules/installer/cd-dvd/installation-cd-base.nix b/nixos/modules/installer/cd-dvd/installation-cd-base.nix index 1aba67dcd9e..2a28131c28c 100644 --- a/nixos/modules/installer/cd-dvd/installation-cd-base.nix +++ b/nixos/modules/installer/cd-dvd/installation-cd-base.nix @@ -19,7 +19,7 @@ with pkgs.lib; # ISO naming. isoImage.isoName = "${config.isoImage.isoBaseName}-${config.system.nixosVersion}-${pkgs.stdenv.system}.iso"; - isoImage.volumeID = substring 0 32 "NIXOS_${config.system.nixosVersion}"; + isoImage.volumeID = substring 0 11 "NIXOS_${config.system.nixosVersion}"; # Make the installer more likely to succeed in low memory # environments. The kernel's overcommit heustistics bite us