diff --git a/modules/installer/cd-dvd/installation-cd-minimal.nix b/modules/installer/cd-dvd/installation-cd-minimal.nix
index ae520e64101..2308abc6dfc 100644
--- a/modules/installer/cd-dvd/installation-cd-minimal.nix
+++ b/modules/installer/cd-dvd/installation-cd-minimal.nix
@@ -8,6 +8,10 @@
 
   installer.configModule = "./nixos/modules/installer/cd-dvd/installation-cd-minimal.nix";
 
+  # allow using of firmware without rebuilding the system
+  hardware.firmware = [ "/root/my-firmware" ];
+
+
   # Don't include X libraries.
   services.sshd.forwardX11 = false;
   services.dbus.enable = false; # depends on libX11