diff --git a/nixos/modules/installer/cd-dvd/installation-cd-base.nix b/nixos/modules/installer/cd-dvd/installation-cd-base.nix
index 0a39e8dde9d..f2a90e8d2ec 100644
--- a/nixos/modules/installer/cd-dvd/installation-cd-base.nix
+++ b/nixos/modules/installer/cd-dvd/installation-cd-base.nix
@@ -36,6 +36,9 @@ with lib;
   # EFI booting
   isoImage.makeEfiBootable = true;
 
+  # USB booting
+  isoImage.makeUsbBootable = true;
+
   # Add Memtest86+ to the CD.
   boot.loader.grub.memtest86.enable = true;